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VITEEE 2011 Paper

Section: Chemistry

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Question : 46 of 120

Marks: +1, -0

The alcohol having molecular formula

C_4H_9OH

, when shaken with a mixture of anhydrous

ZnCl_2

and cone. HCl gives an oily layer product after five minutes. The alcohol is

$H_3C$ - $(CH_2)_3$ - OH
$(CH_3)_2$ - CH - $CH_2OH$
$(CH_3)_3$ - C - OH
$H_3C$ - CH(OH) $CH_2$ - $CH_3$

Solution:

Secondary alcohol, when shaken with a mixture of anthydrous

ZnCl_2

and cone. HCl (Lucas regent) gives an oily layer product after five minutes.

H_3C

-

\underset{|↙{OH}{C}}H

-

CH_2CH_3

\xrightarrow[]{Lucas reagent}

oily layer product after 5 min.

The amines in which amino group is directly attached to benzene ring undergo diazotisation reaction.

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