X compound reacts with Na to give CH_3 CH_2 CH_2 CH_3 . The compo… - Vidyadip

MCQ

$X$ compound reacts with $\text{Na}$ to give $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CH}_3$. The compound $X$ is :

A
$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} $
✓
$ \mathrm{CH}_3 \mathrm{CH}_2-\mathrm{Cl} $
C
$ \mathrm{CH}_3-\mathrm{CH}_3 $
D
$ \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH}$

✓

Answer

Correct option: B.

$ \mathrm{CH}_3 \mathrm{CH}_2-\mathrm{Cl} $

$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl}+2 \mathrm{Na}+\mathrm{ClCH}_2 \mathrm{CH}_3 \rightarrow \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2 \mathrm{CH}_3+2 \mathrm{NaCl}$
This is Wurtz reaction.

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