Test: Reaction Mechanism Level - 2 - Chemistry MCQ

In the following reactions:

(a)
(b)
(c)
(d)

The reaction intermediate formed will be 

The intermediate in the reaction of m-bromoanisole with sodamide in liquid amnonia has:

Which one is least stable carbanion:

Which of the alkyl halides undergoes most readily for nucleophilic substitution reaction:

The reaction of ethanolic KOH on 1, 1-dichloropropane gives:

Which reactive intermediate is believed to be part of the reaction shown:

In this transformat ion, 

What is the best structure for A?

The major product formed in the following reaction is:

Which of the following statements does not fit in the criteria of E2 reactions?

The major product formed in the following reaction is:

The electrophilic aromatic substitution proceeds through an intermediate:

The relative rates of nitration of R – C₆H₅, where R = CH₃, NO₂, OH and Cl is:

Which of the following statements is not true for the E2 reactions?

Which of the following carbocations is the most stable?

Which of the following elimination reactions will give 1-butene as the major product?

Which of the following haloalkanes will undergo hydrolysis most readily?

The reactant, M in the reaction below: 

Arrange the following three chlorides in decreasing order of S_N1 reactivity

(I) CH₃CH₂CH₂Cl

Arrange the following carbanions in order of their decreasing stability:

The following reaction proceeds through: 

In the reaction sequence, 

Arrange the compounds in order of decreasing reactively toward electrophilic substitution:

The major product expected from the following reactionis?

The rate of decarboxylation of isomeric carboxylic acids is:

An intermediate in racemization of (R)-3-phenyl-2-butanone is:

The intermediate involved in Curtius rearrangement is:

In the S_N1 solvolysis of the following primary alky chlorides in aqueous ethanol, the order of decreasing reactivity is: