JEE Main 2014 — Chemistry Organic Chemistry

2014mcqeasy

In S $_{N}$ 2 reactions, the correct order of reactivity for the following compounds :

CH $_{3}$ Cl, CH $_{3}$ CH $_{2}$ Cl, (CH $_{3}$ ) $_{2}$ CHCl and (CH $_{3}$ ) $_{3}$ CCl is :

Official previous-year question

Held on 6 Apr 2014 · Verified 6 Jul 2026.

Options

A
CH $_{3}$ Cl > (CH $_{3}$ ) $_{2}$ CHCl > CH $_{3}$ CH $_{2}$ Cl > (CH $_{3}$ ) $_{3}$ CCl
B
CH $_{3}$ Cl > CH $_{3}$ CH $_{2}$ Cl > (CH $_{3}$ ) $_{2}$ CHCl > (CH $_{3}$ ) $_{3}$ CCl
C
CH $_{3}$ CH $_{2}$ Cl > CH $_{3}$ Cl > (CH $_{3}$ ) $_{2}$ CHCl > (CH $_{3}$ ) $_{3}$ CCl
D
(CH $_{3}$ ) $_{2}$ CHCl > CH $_{3}$ CH $_{2}$ Cl > CH $_{3}$ Cl > (CH $_{3}$ ) $_{3}$ CCl

Did you get this right?

Solution

${\text{S}}_{\text{N}}\text{2}$ involves the formation of a pentavalent intermediate, and the reactivity depends on steric hindrance. Lesser the steric hindrance, more is the reactivity of ${\text{S}}_{\text{N}} 2$ .

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Options

CH $_{3}$ Cl > (CH $_{3}$ ) $_{2}$ CHCl > CH $_{3}$ CH $_{2}$ Cl > (CH $_{3}$ ) $_{3}$ CCl

CH $_{3}$ Cl > CH $_{3}$ CH $_{2}$ Cl > (CH $_{3}$ ) $_{2}$ CHCl > (CH $_{3}$ ) $_{3}$ CCl

CH $_{3}$ CH $_{2}$ Cl > CH $_{3}$ Cl > (CH $_{3}$ ) $_{2}$ CHCl > (CH $_{3}$ ) $_{3}$ CCl

(CH $_{3}$ ) $_{2}$ CHCl > CH $_{3}$ CH $_{2}$ Cl > CH $_{3}$ Cl > (CH $_{3}$ ) $_{3}$ CCl

Solution

JEE Main 2014 — Chemistry Organic Chemistry

Options

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Solution

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JEE Main 2014 — Chemistry Organic Chemistry

Options

Did you get this right?

Solution

Your note

JEE Main Organic Chemistry in other years

More JEE Main Organic Chemistry questions

Other Chemistry topics for JEE Main

Physical Chemistry

Inorganic Chemistry

Keep practicing Organic Chemistry