MEDIUM
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Write the SN2 mechanism for the conversion of methyl chloride to methyl alcohol.

Important Questions on Organic Chemistry

HARD

KI in acetone, undergoes SN2 reaction with each of P, Q, R and S. The rates of the reaction vary as

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EASY
The correct order of reactivity towards the electrophilic substitution of the compounds aniline(I), benzene (II) and nitrobenzene (III) is-
MEDIUM
The structure of the major product formed in the following reaction is


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MEDIUM
Statement I : Diethyl malonate undergoes nucleophilic substitution reaction on reaction with alkyl halide in the presence of base.

Statement II : Base causes formation of enolate anion.
MEDIUM
Which of the following is least reactive in a nucleophilic substitution reaction?
MEDIUM

The major product of the following reaction is


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HARD
The compound will react most readily with NaOH to form methanol is
EASY
Which one of the following is most reactive towards electrophilic attack?
EASY
Consider the following compounds :




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The relative reactivity towards nitronium ion is such that -
EASY
The major product obtained when n-Butane is treated with bromine in the presence of light is
MEDIUM
The compound that is most reactive towards electrophilic nitration is
HARD
Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism ?
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

MEDIUM
Which one of the following is a free-radical substitution reaction?
EASY
The order of the decreasing reactivity towards an electrophilic reagent, for the following would be:

(i) Benzene
(ii) Toluene
(iii) Chlorobenzene
(iv) Phenol
EASY
Which of the following is the correct order of decreasing SN2 reactivity ?
HARD
Which of the following regarding halides nucleophilicity and their leaving group ability is(are) true?
EASY
Which of the following compounds reacts slower in electrophilic substitution ?
EASY
The order of decreasing reactivity towards an electrophilic reagent, for the following would be
(i) Benzene
(ii) Toluene
(iii) Chlorobenzene
(iv) Phenol