Alkyl Halides

CH₃CH₂-Br + CN⁻ → ?

Neutral nucleophile among the following is:

Rate of E₁ reaction depends upon:

CH₃-CH₂-OH reacted with alc. NH₃. The product is:

Which reagent is a good nucleophile?

Second step of which of the following pair of reactions is same:

The organic chloro compound which shows complete stereochemical inversion during SN₂ reaction is:

Consider the following haloalkanes: 1. CH₃F 2. CH₃Br 3. CH₃Cl 4. CH₃I. The increasing order of reactivity in SN reactions is:

Which among CH₃X, R-CH₂-X, R₂CHX, R₃CX is most reactive towards SN2 reaction?

CH₃Cl reacted with alc. KOH. The product 'A' is:

2° alkyl halides show both SN₁ and SN₂ reactions depending upon:

Which of the following is true about R-I?

During SN₂ mechanism of alkyl halides, C-X bond undergoes:

Tertiary butyl bromide refers to follow which mechanism during substitution reactions?

Whether an alkyl halide follows SN₁ or SN₂ mechanism depends on:

Thioalcohol is prepared when alkyl halide is reacted with:

Which compound is most reactive through SN₂ mechanism?

Which statement is incorrect about nucleophilic substitution reaction?

Which of the following is correct about SN₂ reactions?

Tertiary alkyl halides give:

Which of the following is correct about SN₁ reactions?

Order of SN₁ reaction:

Which one among the following is not a good leaving group?

Which one is monohaloalkane?

Which of the following is alkyl halide?

Which is least stable carbanion?

Alkyl halides don't undergo:

For SN₂ reaction, highest reactivity is shown by:

The strongest nucleophile is:

CH₃―CH₂―MgBr + H₂O Br-Mg-OH + X , Where 'X' is:

When n-butyl magnesium iodide is treated with water, the product is:

Grignard reagents are prepared by the reaction of magnesium metal with alkyl halides in the presence of:

During SN₂ reactions, configuration of the alkyl halide molecule:

The suspected liver carcinogen which also has negative reproduction and developmental effects on humans is:

1-chloropropane and 2-chloropropane are isomers of each other, the type of isomerism in these two is called:

The alkaline hydrolysis of bromoethane shown below gives alcohol as the product H₃C―CH₂―Br → H₃C―CH₂―OH. The reagent and the condition used in this reaction may be:

If halogenoalkanes are mixed with an excess of ammonia and heated under pressure, amine are formed. Which amine is formed in the following reaction?CH₃CH₂Br + NH₃ Amine

The halothane used in hospitals as an anesthetic is chemically:

In the below reaction, the configuration of product is:

The structural formula of 2,3,4 trimethylpentane is:

On the basis of the oxidising power of halogens, which reaction is possible?

A researcher has prepared a sample of 1-bromopropane from 10g of 1-propanol. After purification he had made 12g of product. Which of the following is percentage yield?

What will be the exact product?

C₂H₅OH + CH₃COOH (in presence of sulfuric acid) ?

During the SN₁ reactions, the fast reaction involves:

In the elimination reaction, alcoholic KOH is used. OH^- in this case, will act as:

The non-stick lining of pans is:

Which of the following is Halothane?

Chloroform is used as the following except:

Among the following, which one is a nucleophile;

CFCs are organic compounds, that are derivatives of saturated hydrocarbons. They have high bond dissociation values therefore they are inert and non-toxic for living organisms.The word CFCs stands for:

Neopentylchloride belongs to which class of alkyl halides?

When halogen is removed from an alkyl halide a carbocation is formed, identify the most reactive carbocation

In SN₁ reactions the correct order of reactivity of alkyl halide is?

Alkyl Halides involving -C-X bond breakage and- C-Nu bond formation simultaneously.

Identify the correct statement related to substitution and elimination of alkyl halides:

Identify the correct ascending order of reactivity of alkyl halides:

IUPAC name of (CH₃)₃CCH₂Br is:

Conversion of dihaloalkane into alkyne does not involve:

The first step in the SN₁ reaction is _.

.Which one of the following is not a nucleophile?

Aqueous KOH causes SN-reaction in alkyl halide. On which of the following alkyl halides KOHaq would like to attack easily?

What is the correct order of reactivity of alkyl halides?

Which of the following bonds has the highest bond energy value?

Which type of alkyl halides gives the SN₂ mechanism?

The catalyst used in the reaction CHCl₃ + ½ O₂ → COCl₂ + HCl is _ and its nature is _.

2-Chlorobutane belongs to:

Which one of the following is a strong nucleophile?

The correct name of CH₂Cl₂ is:

Alkyl halides can also be obtained by halogenation of_.

OH^-(alcoholic) +CH₃(CH₂)₂Br^- →Product+Product. The nature of OH in the above reaction is:

Which one is stronger nucleophile?

Which one is more reactive?

As the polarizing power of cation increases thermal stability of carbonates

𝑂𝐻^- + 𝐶₂𝐻₅ - 𝐼 ⟶ 𝐶₂𝐻₅ - 𝑂𝐻 + 𝐼^- One of the species in the above reaction is a substrate. It is:

The Fridel crafts catalyst "𝐴𝑙𝐶𝑙₃" used in the substitution reactions of Benzene is good:

Compound in which addition takes place through Markovnikov's rule is:

Aqueous KOH causes SN-reaction in alkylhalide. On which of the following alkylhalides KOHaq would like to attack easily.

In elimination reactions, _ is used:

Among the alkyl halides, which always follows SN₂ mechanism:

Which of the following is an intermediate compound in SN₁:

The average bond energy of C-Br is

The mechanism followed by the reaction below is:CH₃CH₂Br → H₂C=CH₂ + HBr (Conditions: alcoholic KOH)

Consider the reaction given below: Which statement is true?

The order of reactivity of alkyl halides towards nucleophile is:

When purely alcoholic solution of sodium/potassium hydroxide and halogenoalkanes are reacted an alkene is formed, what is the mechanism of reaction?

In substitution reactions, dihaloalkane or secondary halogenoalkane give / show:

What is the IUPAC name of the following compound? CH₃-(CH₂)₂-CH₂-Cl

Which one of the following is not a secondary alkyl halide?

In which phase are SN₂ reactions favored?

Alkyl halides generally give which type of elimination reactions?

Alkyl iodides cannot be prepared directly by the halogenation of alkanes because?

SN₂ reactions are _?

The reaction in which a nucleophile replaces another atom present in a compound is called as:

During SN₁ mechanism, nucleophile can attack on the halogen carbon?

When CH₃CH₂MgBr reacts with CO₂ which of the following product is formed?

In IUPAC nomenclature, alkyl halides are named as _?

If in a solution of alkyl halide in a nonpolar solvent, base is added which of the following reaction takes place?

In SN₂ reaction, nucleophile attacks on the electrophilic carbon?

Grignard reagent is produced by the reaction of Alkyl halides with _.

Which of the following is true about the kinetics of bimolecular elimination reactions?

In SN₂ reaction, rate of reaction is directly proportional to concentration of

What is the reason for the reactivity of Grignard reagent?

What is the order of SN₂ reactions?

First step in the SN₁ reaction is _ ?

In a reaction having both alkyl halide and base, the base will attack on _.

Which of the following bond has highest bond energy value ?

In a reaction having both alkyl halide and base, the base will attack on:

During the nomenclature of Alkyl halides, halogens are named:

The product in SN₂ reaction is formed with?

There is one lone pair present in H₃O⁺, it cannot act as a(n)?

Hydrolysis of tertiary butyl bromide gives _.

Which of the following reactions is concerted (single step)?

There is one lone pair present in H₃O⁺, it cannot act as ?

Reduction of alkyl halides in the presence of Zn and mineral acid produces _ ?

In SN₂ reaction, which of the following specie is formed?

The group which leaves from the subtrate in a nucleophilic substitution reaction is called?

Which one of the following has the correct IUPAC name of 2-Chloro,3-methyl pentane?

In SN₂ reaction, rate of reaction is directly proportional to concentration of _.

The product in SN₂ reaction is formed with _.

Which of the following alkyl halide is most reactive towards Mg atom?

In which phase SN₂ reactions are favored?

First step in the SN₁ reaction is _.

During the SN₁ mechanism, nucleophiles can attack the halogen carbon _.

During the nomenclature of alkyl halides, halogens are named as _.

Which of the following alkyl halide give SN₁ reactions?

Which of the following reactions have a first step similar to each other?

The reaction in which a molecule is removed from a compound but no addition takes place is called _?

SN₁ reactions are favored by which of the following?

What is the common name of 2-methyl-2-chloropropane?

Which of the following reactions have first step similar with each other?

Alkyl halide reacts with sodium lead alloy, which of the following is the correct formula for tetramethyl lead?

In SN₂ reactions, the hybridization of carbon in moving from substrate to transition state changes from?

Which of the following is formed during SN₁ reactions?

Hydrolysis of tertiary butyl bromide gives?

What is the reason for the reactivity of the Grignard reagent?

Which of the following gives primary alcohol with Grignard reagent?

Which one of the following has the correct IUPAC name of 2-Chloro-3-methylpentane?

Which of the following solvents favor SN₂ reactions?

Which one of the following is not an Alkyl halide?

I^- is an example of _.

The products of SN₁ reactions are formed with _.

When CH₃CH₂MgBr reacts with CO₂ then which of the following product is formed?

SN₁ reaction is a _.

Which of the following is a slow step in SN₁ reactions?

In which of the following reactions, rate of reaction is not affected by increasing concentration of nucleophile?

Which of the following reaction is used to produce symmetrical alkanes from alkyl halides?

The compounds which are formed by the replacement of a hydrogen atom by a halogen are called as _?

SN₁ reactions have which of the following species formed and consumed in the reaction?

Which of the following alkyl halides is most reactive towards an Mg atom?

The products of SN₁ reactions are formed with?

Which of the following is an example of a nucleophile?

In tertiary alkyl halides, the carbon atom is attached to how many carbon atoms?

Formation of Grignard reagent from an alkyl halide and Mg metal takes place in _?

During SN₁, mechanism, nucleophile can attack on the halogen carbon from which orientation?

Which of the following compound is formed when NaCI reacts with CH₃MgBr?

If in a solution of an alkyl halide in a nonpolar solvent, the base is added which of the following reaction takes place?

Which of the following is an example of a good leaving group?

Which of the following bond has the highest bond energy value?

SN₁ reaction is a _ ?

What is the correct general formula of Grignard reagent?

SN₂ reactions are _ ?

Grignard reagent is produced by the reaction of Alkyl halides with _?

In which of the following reaction is the rate of reaction not affected by increasing concentration of nucleophile?

Which of the following compounds can be prepared by using Grignard reagents?

In SN₂ reaction, which of the following species is formed?

Alkyl iodides cannot be prepared directly by the halogenation of alkanes because _.

In which phase, SN₂ reactions are favored?

Alkyl halides give which type of reaction?

When a halide group is replaced by a nucleophile, this type of reaction is a:

The reaction shown is: CH₃°+ Cl° → CH₃Cl

Most common reaction showed by alkyl halide is:

Alkyl halide is formed from alcohol by:

Which of the following pairs of reactions comprises of one step only?

Which of the following is a one-step reaction?

SN₂ reactions are mostly given by:

Alkyl halides undergo:

Neopentyl halide is:

Which of the following compound is formed when NaCl reacts with CH₃MgBr?

Which of the following is not a derivative of carboxylic acid?

Which of the following reaction takes place when alkyl halide react with KOH in water?

Which of the following is an example of free radical?

1-Chloropropane and 2-Chloropropane are _.

In a reaction having both alkyl halide and base, the base will attack on the _.

Which of the following catalyst is used in the Friedel craft reaction?

The correct order of increasing reactivity of the following alkyl halides, (I) CH₃​CH₂​CH₂​Cl

(II) CH₃​CH₂​CH₂​CH₂​Br

(III) (CH₃​)₂​C(Cl)CH₂​CH₃​

(IV) CH₃​CH₂​CH(Br)CH₃​

Towards SN​₂ displacement is:

Reaction mechanism of alkanes with halogens is known as;

Which compound is obtained by the elimination of bromopropane?

Which one of the following is the structure of Teflon?

Which of the following acts as a nucleophile in the reaction of alkyl halide with alcoholic / aqueous ammonia?

Halothane is a halo derivative of:

Reduction of alkyl halides in the presence of Zn and mineral acid produces _.

Which of the following alkyl halides is most reactive towards the Mg atom?

SN₁ reaction is a:

How many isomers of mono-substituted benzene are possible?

Which of the following compete with each other?

Which of the following is a poor 'leaving' group in nucleophilic substitution reactions?

What is the common name of the compound CH₃(CH₂)₂CH₂Cl?

Which alkyl halide gives SN₂ reactions?

Which balanced chemical equation show the formation of ethanoyl chloride using thionyl chloride?

What is the correct order of reactivity of alkyl halides ?

2-Chloro-2-methylpropane is an example of:

Nucleophilic addition reactions of carbonyl compounds can be catalyzed by_?

Which catalyst is used in the preparation of alkyl halide from alcohols?

Which gases are produced when alcohol reacts with thionyl chloride?

In general formula of alkyl halide RX, X represents _

Which one of the following is NOT a nucleophile?

SN₂ reactions can be best carried out with:

The reaction of isobutane with an unknown halogen is catalyzed by light. Identify the halogen if the two major products seen in a white mixture, obtained are:

Ethylamine can be prepared by the action of bromine and caustic potash on:

Elimination from 2 - bromobutane results in:

A compound X (C₄H₉Br) undergoes the following reactions:

Compound X (C₄H₉Br)(in presence of heat and NaOH_(aq))C₄H₁₀O→(in the presence of heat and K₂Cr₂O₇/H⁺ C₄H₈O.

What is X?

Markownikoff's rule is best applicable to the reaction between

Alkyl halides can also be obtained by halogenation of _.

Pick correct pair about the difference between E₁ and E₂ mechanism of tertiary butyl bromide forming an alkene.

Classify this alkyl halide:

Which of the following has the strongest bond?

Which type of alkyl halides gives SN₂ mechanism?

Reaction of CH₃CH₂MgBr with ethylene epoxide gives:

Order of the reactivity of halogens during halogenation of alkanes is:

Order of reactivity of halogens towards alkanes is:

SN₂ can be best carried out with:

In a Beta elimination reaction, the nucleophile attacks a\an:

Alkyl halides involving -C-X bond breakage and -C-Nu bond formation simultaneously would follow the mechanism:

R-X on reaction with alcohols form:

Which alkyl halide has the lowest reactivity for a particular alkyl group?

The only o, p-directing group which is deactivating in nature is:

If products of a reaction act as a catalyst, such process is called:

Catalyst used in reaction CHCl₃ + ½ O₂ → COCl₂ + HCl is _ and its nature is _.

An SN₂ reaction at an asymmetric carbon of a compound always gives:

RMgX is an organometallic compound, generally known as:

The order of reactivities of the following alkyl halides for an SN₂ reaction is:

In the reaction of p- chlorotoluene with KNH₂ in liquid NH₃, the major product is:

Ethyl iodide and n-propyl iodide are allowed to undergo the Wurtz reaction. The alkane which will not be obtained in this reaction is:

Which of the following is not a nucleophile?

The reaction mechanism of alkanes with halogens is known as;

The reaction 2RX + 2Na RR + 2NaX is an example of:

Which balanced chemical equation show the formation of ethyl chloride using thionyl chloride?

Order of reactivity of alkenes with hydrogen halide is:

Which of the following bond has highest bond energy value?

What is the value of molecularity and order of SN₁ reactions?