Kelvi

Kelvi

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Kelvi

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Identify compound X in the following sequence of reactions:

medium

Organic Chemistry Some Basic Principles and Techniques

2020

chemistry

option

option

option

option

Explanation

To identify compound X, we need to analyze the reaction sequence. $\\$ 1. The first reaction is the chlorination of toluene $($ C $_6$ H $_5$ CH

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_3)

under light

(h\nu). \\

This is a free radical substitution reaction.

\\

2. In the presence of

h\nu,

chlorine radicals are generated, which substitute hydrogen atoms in the methyl group.

\\

The first substitution forms benzyl chloride

(

C

_6

H

_5

CH

_2

Cl

). \\

3. Further chlorination can occur, leading to the formation of benzylidene chloride

(

C

_6

H

_5

CHCl

_2). \\

4. The second step involves hydrolysis of compound X at

373

K.

\\

Benzylidene chloride

(

C

_6

H

_5

CHCl

_2)

undergoes hydrolysis to form benzaldehyde

(

C

_6

H

_5

CHO

). \\

Therefore, compound X is benzylidene chloride

(

C

_6

H

_5

CHCl

_2). \\

This corresponds to Option 2.