Transition Elements
MDCAT • Chemistry
294 MCQs — Click "Reveal" to see the correct answer
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1UHS MDCAT 2008
Name the oxide in which N has the highest oxidation number:
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2UHS MDCAT 2008
The percentage of carbon in medium carbon steel is:
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3UHS MDCAT 2009
Chromyl Test is performed to confirm:
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4UHS MDCAT 2009
Colour of the transition metal ions/compounds is due to the electrons present in:
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5UHS MDCAT 2010
KMnO4 acts as a/an:
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6UHS MDCAT 2010
The geometry of the complexes depends upon the type of _ taking place in the valence shell of the central metal atom.
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7UHS MDCAT 2012
Oxidation state of ‘Mn’ in KMnO4, K2MnO4, MnO2 and MnSO4 is in the order:
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8UHS MDCAT 2013
Oxidation state of ‘Fe’ in K3[Fe(CN)6] is:
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9UHS MDCAT 2013
Which one pair has the same oxidation state of ‘Fe’?
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10UHS MDCAT 2015
Electronic configuration of Gold is:
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11UHS MDCAT 2015
[Ti(H2O)6]3+ transmits:
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12UHS MDCAT 2017
Chromyl Chloride test is performed to confirm:
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13UHS MDCAT 2017
Violet color of [Ti(H2O)4]+is due to:
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14UHS MDCAT 2017
Scandium has the atomic number 21, which one will be its electronic configuration?
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15UHS MDCAT 2018
Which is the correct electronic configuration of Chromium ?
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16UHS MDCAT 2018
The shape of [Co(NH3)6]3+ complex is:
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17UHS MDCAT 2019
Which of the following is the electronic configuration of ?
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18UHS MDCAT 2023
Which of the following electronic configuration is correct for ?
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19UHS MDCAT 2023
Which of the following is correct electronic configuration of iron (II) ion (atomic no. of Fe is =26)?
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20UHS MDCAT 2023
Which of the following transition metal show 3d5 configuration in its +2-oxidation state?
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21UHS MDCAT 2024
The oxidation number of 'Mn' in KMnO4, is
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22PMDC MDCAT 2025
Which one of the following is a coinage metal:
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23PMDC MDCAT 2025
Number of unpaired electrons present in the ground state of Fe3+ (Atomic number of Fe=26):
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24Transition metal compounds containing unpaired electrons are
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25When potassium chromate is treated with an acid, it produces?
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26Compound attracted into a magnetic field are called
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27Potassium ferrocyanide is which type of salt?
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28Which of the following is NOT an alloy
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29The ligand, diethylene triamine is an example of?
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30What is the oxidation number of Mn is KMnO₄?
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31The oxidation number of Cobalt in the given coordination complex is: [Co(H₂NCH₂CH₂NH₂)₃]₂(SO₄)₃
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32Which one has one unpaired electron in the valence shell?
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33The binding energy of transition elements weakens progressively upto group:
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34Which of the following is correct electronic configuration of iron (II) ion (atomic number of Fe = 26)?
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35Which of the following electronic configuration is correct for 24Cr?
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36
Which of the following transition metal show 3d⁵ configuration in its +2-oxidation state
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37The outer shell electronic configuration of transition block elements is give by
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38
Which of the following ions forms most stable complex compound?
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39The binding energy of transition metals increases upto group:
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40The transition element which doesn't show variable valency:
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41In which pair, one has all unpaired d-orbitals while other have all paired d-orbitals?
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42
[PtCl(H2O)3(NH3)2]⁺ has structure
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43f-Block elements are called
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44Paramagnetic behaviour of transition elements is due to presence of ________?
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45Which one of the following has more unpaired electrons?
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46The transition element which doesn't show variable valency is
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47
In 3rd series of transition elements, paramagnetic behavior is maximum for Mn+2 and ________
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48
Co-ordination number of [Co(en)2Cl2]⁺ is
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49
In the complex, potassium hexacyanoferrate (III) K3[Fe(CN)6] the coordination number of Fe is:
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50
The octahedral geometry of complexes [Co(NH3)6]³⁺ has hybridization
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51The color of transition metal complexes is due to transition of electron between
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52
Violet color of [Ti(H2O)6]³⁺ ion is due to the
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53
[Ti(H2O)6] ³⁺ transmits
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54
What are the coordination number of Fe and Cu in the following compounds K4[Fe(CN)6], [Cu(NH3)4]SO4 respectively
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55
The shape of [Co(NH3)6]³⁺ complex is
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56Ligands having two lone pair of electrons for donations to the central transition metal ions are known as
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57
Oxidation state of 'Fe' in K3[Fe(CN)6] is
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58Tick the correct statement
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59The geometry of complexes depends upon type of ________ taking place in the valence shell of central metal atom:
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60
Oxidation state of 'Mn' in KMnO4, K2MnO4, MnO2 and MnSO4 is in the order
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61The total number of transition element is
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62Valence electronic configuration Cu²⁺ is
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63Copper is a typical transition metal. Its atomic number is 29. In which oxidation state does it have partially filled orbital in d-subshell?
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64Which of the following is the electronic configuration of Cr?
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65Scandium has atomic number 21; which one will be its electronic configuration?
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66Which element of 3-d series of periodic table shows the electronic configuration of 3d⁸, 4s²?
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67The anomalous electronic configuration shown by chromium and copper among 3-d series of elements is due to:
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68
Electronic configuration of Gold is
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69The paramagnetic character of substances is due to the presence of
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70When light is exposed to transition element, then electrons jump from lower orbitals to higher orbitals in
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71The geometry of [Fe(CO)₅] is
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72What is the nature of co-ordination sphere
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73Which one complex is more stable
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74During the formation of complex compound the Ligands bind with central metal ion/atom by
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75
When K4[Fe(CN)6] is dissolved in a solution of salt, then it produces
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76The ability of transition elements to form complexes is due to:
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77While assigning the name of a complex compounds, the correct order is
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78The algebraic sum of the charges present on the central atom ion and the total charge on the ligands is called
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79d-d transition cannot be shows by
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80Ti⁺³ shows minimum absorption (maximum transmittance) at ________ and ________ wavelength
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81Number of electrons involved in d-d transition of [Ti(H₂O)₆]³⁺
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82Sc³⁺ has 3d° configuration, its colour will be
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83Which of the following transition metal forms colourless compounds
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84
Which of the following compound is expected to be colored
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85
TiCl4 is used as catalyst for manufacture of
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86Catalyst used for ammonia synthesis is
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87Which transition metals serves as catalyst for oxidation of alkanes
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88Which has same charge on central metal atom as the co-ordination sphere
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89Which electronic configuration can have possibility of +7 oxidation state
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90Which of the following shows only +2 oxidation state
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91
Which two pairs show same oxidation state of iron
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92The highest oxidation state of manganese is
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93
The oxidation number of Mn in [MnO4]⁻² is
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94In complex compounds, the oxidation number is written in
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95The oxidation number of central metal atom in [Ni(CO)₄] is
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96Which complex shows zero oxidation state of the transition metal
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97Zinc does not show variable oxidation state, because
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98
At which oxidation state Cu achieves electronic configuration of Zn+2
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99The element which gains electronic configuration of a noble gas at +3 oxidation state
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100Which of the followings has a complete d-subshell in atomic as well as cationic state
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101Correct electronic configuration of Mn
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102Balochistan MDCAT 2010Which of the following is a typical transition metal?
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103The general electronic configuration of 3d series of transition elements is
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104Which pair of elements has abnormal electronic configuration
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105The correct electronic configuration of 'Cr' is
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106The location of transition elements is in between
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107Which one possesses maximum number of unpaired electrons
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108d-block elements generally exhibit
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109d-d transition is not possible when d-subshell is
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110Which of the following has highest magnetic moment?
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111Which of the following has lowest binding energy?
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112Which of the following specie will impart colour to an aqueous solution?
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113The number of d-electrons in Zn²⁺ are
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114
In the complex K4[Fe(CN)4(H₂O)₂], the coordination number of central metal is
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115The electronic configuration of an element is [Ar]4s², 3d² its atomic number will be
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116
Which of the following cannot acts as ligands?
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117The typical transition element is
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118
The total no. of transition elements is
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119
The first transition series starts with
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120Balochistan MDCAT 2024
Compounds attracted into a magnetic field are called:
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121Balochistan MDCAT 2024
When potassium chromate is treated with an acid, it produces:
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122Balochistan MDCAT 2024
Transition metal compounds containing unpaired electrons are:
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123Balochistan MDCAT 2024
Which of the following is used for galvanizing iron sheet?
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124KPK MDCAT 2024
Cu2+ salt solution is blue in colour due to transition of electrons from
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125KPK MDCAT 2024
Potassium ferrocyanide is a:
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126FMDC MDCAT 2024
Transition element Vanadium mostly act as
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127FMDC MDCAT 2024
What is the range of atomic numbers of the 3d series of transition elements?
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128UHS MDCAT 2024
Which of the following is NOT a property of transition elements?
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129UHS MDCAT 2024
Which of the following is NOT an Alloy?
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130Sindh MDCAT 2024
An example of a bidentate ligand among the following is:
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131Sindh MDCAT 2024
Chelate means:
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132Balochistan MDCAT 2022
Geometry of complexes depends upon?
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133Balochistan MDCAT 2022
The outer shell configuration of transition block elements is given by:
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134KPK MDCAT 2022
Which one has Purssian blue colour?
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135KPK MDCAT 2022
What is the composition of alloy, German silver?
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136KPK MDCAT 2022
Which of the following ions form the most stable complex compounds.
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137UHS MDCAT 2022
In which pair one has all Unpaired d orbitals while other have all paired d orbitals?
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138Sindh MDCAT 2022
Heating a mixture of chromite are (FeOCr2O3) & K2CO3 in air is to manufacture:
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139Balochistan MDCAT 2023
Why do transition elements form alloys so easily?
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140Balochistan MDCAT 2023
Which of the following is a bidentate ligand?
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141
Brass is an alloy of
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142Balochistan MDCAT 2022
Which pair of ions have five unpaired d-electrons?
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143Sindh MDCAT 2023 (Retake)
Which of the following has the maximum number of unpaired electrons?
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144Sindh MDCAT 2023 (Retake)
NH2 (amine) is an example of:
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145
Identify the molecular formula of Furan:
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146
Which of the following electronic configurations is correct for 24Cr?
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147
Which of the following transition metals show a 3d5 configuration in their +2 oxidation state?
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148UHS MDCAT 2023 UHS MDCAT 2022
What is the proton (atomic number) of an element that has four unpaired electrons in its ground state?
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149FMDC MDCAT 2023
The binding energy of transitional elements weakens progressively upto group:
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150FMDC MDCAT 2023
In transition elements number of unpaired electrons increase upto group number:
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151Sindh MDCAT 2023
Why do transition elements form interstitial compounds?
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152UHS MDCAT 2018
Ligands having two lone pair of electrons for donation to the central transition metal ion are known as:
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153
The transition element which shows fixed 2+ oxidation state in its compound is:
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154
The color of Zn2+ compounds is:
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155
Fe is precipitated out when Mg strip is dipped in
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156FMDC MDCAT 2018
Which of the following elements does not belong to the f-block of elements?
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157
In movies during the fight, a blood-red solution is used as artificial blood. Which of the following complex ions is used for this solution?
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158ETEA MDCAT 2017
To differentiate between the white ppt of AgCl and off-white ppt of AgBr we use:
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159ETEA MDCAT 2019
Ethylenediamine diacetate is
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160ETEA MDCAT 2019
Which one can form more acidic oxide?
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161ETEA MDCAT 2019
Co-ordination number of [Co(en)2Cl2]is
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162ETEA MDCAT 2019
Which ions are used as catalysts in the reaction between persulfate ions and iodide ions?
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163ETEA MDCAT 2019
In the complex, potassium hexacyanoferrate (III) K3 [Fe(CN)6] the coordination of the Fe is
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164ETEA MDCAT 2018
The compound of manganese with zero reducing power is:
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165ETEA MDCAT 2018
The oxidation state of platinum in [Pt(NH3)4(NO2)Cl]SO4 is:
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166
The chelating ligand out of the following is:
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167UHS MDCAT 2017 (Reconduct)
How many ligands does K4[Fe(CN)6] contains:
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168UHS MDCAT 2017 (Reconduct)
Identify the element that has maximum oxidation states:
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169UHS MDCAT 2016
Which element of 3d series of periodic table shows the electronic configuration of 3d8, 4s2?
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170UHS MDCAT 2016
The anomalous electronic configuration shown by chromium and copper among the 3-D series of elements is due to:
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171
Oxidation state of 'Fe' in K3[Fe(CN)6] is:
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172UHS MDCAT 2014
The percentage of carbon in different types of iron products is in the order of
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173UHS MDCAT 2014
The electronic configuration of Manganese (Mn) is
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174UHS MDCAT 2014
Coinage metals Cu, Ag, and Au are the least reactive because they have:
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175UHS MDCAT 2011
Pick the correct statement:
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176UHS MDCAT 2012
Which pair of transition elements shows abnormal electronic configuration?
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177
Oxidation state of 'Mn' in KMnO4, K2MnO4, MnO2 and MnSO4 is in the order:
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178
Which oxidation state gives evidence for d orbital?
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179
What type of bond is present between metals and ligands in a complex?
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180
The location of transition elements is in between?
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181
During bond formation, d-orbitals splits into _ of orbitals?
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182
Pure metal:
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183
Non-typical transition elements belong to?
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184
An element becomes paramagnetic if it has _?
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185
What is the coordination number of Pt in [PtCl(NO2)(NH3)4]
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186
Lanthanides and actinides are also called as _.
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187
In the production of 'Wrought Iron', Mg, Si and P are removed in the form of ------------
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188
The central atom along with ligands is called
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189
Which element has completely filled d subshell in both atomic and ionic form?
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190
Which oxidation is possessed by all the elements of group lll B ?
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191
Why does Cr show 3d54s1 configuration instead of 3d44s2?
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192
Which of the following can form a chelate?
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193
What are d-block elements are called?
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194
The compound or complex ion which has a ring in its structure?
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195
Paramagnetic behaviour of transition elements is due to the presence of:
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196
What is the general trend of melting and boiling point of transition elements along the period?
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197
Those elements in which d or f orbitals are in the process of completion are called _.
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198
Sc mostly exist in which of the following oxidation state?:
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199PMC Practice Test 2 2021
Which of the following compounds is sold as fertilizer?
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200
1st series of transition elements start from?
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201
When light is exposed to transition elements then electrons jump from lower orbitals to higher orbitals in:
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202
Which of the following elements can form interstitial alloy with transition elements?
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203PMC Practice Test 3 2021 PMC Practice Test 5 2021
The oxidation number of Nickel in [Ni(CO)]4] is:
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204
Non-stoichiometric compounds of transition elements are called:
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205
Which one of the following is an example of a transition element?
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206
What is the correct option regarding the following compound?K2[Cu(CN)4]
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207
Any process of chemical decay of metals due to the action of the surrounding medium is called?
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208
Why do transition metals have strong metallic bonding?
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209
The formation of coordination complex compounds formed by transition metals is explained by?
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210
How many d-block elements are present in the periodic table?
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211
The species which donates electrons to the central metal atom in the coordination sphere is called _.
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212
Which of the following properties is not related to transition metals _?
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213
When the central atom of the coordination compound is sp3d2 hybridization, the expected geometry will be?
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214
What is the coordination number of Cu metal in [Cu (NH3)4]SO4?
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215
Which one of the following has the highest number of unpaired electrons?
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216
In complex compounds, the oxidation number is written in _.
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217
The oxidation state of transition elements is usually
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218
Which of these are coinage metals?
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219
Brass and bronze have one metal in common?
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220
The oxidation number of Mn in [MnO4]-2 is
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221
The melting points and boiling points up to the middle of 3d series:
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222
The central transition metal atom along with ligands is called:
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223
Which one of the following pairs shows abnormal electronic configuration?
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224
Which of the following is a non-typical transition element?
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225
The important transition element/s used in industries is/are:
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226
The splitting of d orbital in the bonding is called:
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227
What is the trend of number of unpaired electrons for transition elements across a period?
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228
Which bonds are formed between transition elements and ligands?
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229
Why do transition elements show color?
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230
The most stable element in the periodic table is:
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231ETEA MDCAT 2018
Elements of which block of the periodic table shows variable oxidation state?
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232
With which metals does iron make steel alloy?
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233
When copper is heated in air, an oxide is formed that has the colour:
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234
Which of the following elements are present in III B group?
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235
The colour showed by the solution of [Ti(H₂O)₆]³⁺ is:
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236
The atomic radius of transition elements in the periodic table _ along a period.
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237
What is the correct formula of Hexa-aquacobalt (II) ion?
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238
[Co(NH₃)₆]³⁺ has a shape of:
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239
Galvanised Iron sheets have a coating of _.
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240
Coinage metals belong to:
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241
The decrease in atomic radii is small in transition elements due to:
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242
The color of Sc⁺³ is:
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243
Which of the following is a transition metal?
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244
A compound having coordination number 6 has geometry:
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245
Unpaired electron trend of transition elements:
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246
Which transition metal is used the most in industries?
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247
Geometry of the complex compounds usually depends upon?
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248
The transition elements belongs to Group VIB are:
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249
Hardness of transition metals is due to _?
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250
Which of the following properties are associated with transition metals?
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251
Au3+ has _ configuration.
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252PMC Practice Test 5 2021
Oxidation Number of all the elements in the free state is?
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253PMC Practice Test 4 2021
Which statement is true for K2[Cu(CN)4] ?
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254PMC Practice Test 4 2021
Which of the following is typical transition element?
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255PMC Practice Test 1 2021 PMC Practice Test 1 2022
f-block elements are called?
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256
d-block elements are also called as _.
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257
d-block elements are present _ in the periodic table.
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258
What are interstitial compounds?
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259
Which of the following sets is of coinage metals?
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260Sindh MCAT NTS 2019
The colour of transition metal complexes is due to:
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261Sindh MCAT NTS 2019
The ligand field effect splits five degenerate d-orbitals into two sets with different energies, the pair of high energy degenerate orbitals is:
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262Sindh MCAT NTS 2019
Choose the correct IUPAC name for the following complex.[Cr(NH3)4Cl2]Cl
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263Sindh MCAT NTS 2019
Paramagnetic elements contain:
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264Sindh MCAT NTS 2019
The chemical name of K2[Zn(OH)4] is:
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265
If a person is injected by shot of a gun and all the bullets are not removed from his body, it may cause poisoning by:
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266
A six-coordinate complex of formula CrCl3.6H2O has green color. A 0.1 M solution of the complex, when treated with an excess of AgNO3, gave 28.7 g of a white precipitate. The formula of the complex would be_.
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267NUMS MDCAT 2019
Scandium, Sc, is the first of the 3d blocks of elements in the Periodic table.Which properties of Sc approve the above fact?
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268
Which of the following does not act as ligand in the formation of complexes?
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269
The octahedral geometry of the complex [Co(NH3)6]2+ has hybridization:
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270
The total number of transition elements is:
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271
Valence electronic configuration Cu+2 is (29Cu)
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272
IUPAC name for [Pt Cl Br (NO2) (NH3)3] Cl is:
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273
Which of the following transition metals in its ground state have unpaired electrons in an s-orbital?
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274Sindh MCAT NTS 2016 SMBBMC Lyari
Identify from the following the example in which the complex is an anion:
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275
Variable valency is generally exhibited by:
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276
Prussian blue is:
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277FMDC MDCAT 2022 PMDC MDCAT 2020
The transition element which doesn't show variable valency?
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278UHS MDCAT 2024 PMDC MDCAT 2020
Electronic configuration of chromium (proton number 24) is:
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279PMDC MDCAT 2020
In 3rd series of transition elements, paramagnetic behaviour is maximum for Mn+2 and:
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280Sindh MCAT NTS 2016 DUHS and JSMU
Which of the following has the maximum number of unpaired d electrons?
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281Sindh MCAT NTS 2014 DUHS and JSMU
Which one of the following ions exhibits d-d transition and paramagnetism as well?
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282Sindh MCAT NTS 2014 DUHS and JSMU
Zinc reacts with dil. H2SO4 to give H2. It also reacts with conc. H2SO4 to form SO2. In these reactions:
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283Sindh MCAT NTS 2014 DUHS and JSMU
Which of the following is not an interstitial compound?
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284
EDTA ion is a _ ligand.
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285
Chromium dissolves in dilute H2SO4 for [Cr(H2O)6]2. The colour of the ion is:
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286
Transition Elements usually show:
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287UHS MDCAT 2019
Copper is a typical transition metal. Its atomic number is 29. In which oxidation state does it have a partially filled orbital in d-subshell?
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288
Impurities of lead in silver are removed by:
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289
The color of transition metal complexes is due to transition of electrons between:
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290Balochistan MDCAT 2023
Group IB is called the coinage metals. Which one is not true about this group?
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291
Lanthanides and Actinides resemble in:
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292UHS MDCAT 2022
Which of the following complex show a tetrahedral geometry?
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293
Which one pair has the same oxidation state of 'Fe'?
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294
Which is the correct electronic configuration of chromium (24Cr)?