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Chemistry
The correct order of acid catalysed dehydration of alcohols is:
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Q. The correct order of acid catalysed dehydration of alcohols is:
Haloalkanes and Haloarenes
A
$1^{\circ}>2^{\circ}>3^{\circ}$
19%
B
$3^{\circ}>2^{\circ}>1^{\circ}$
71%
C
$2^{\circ}>1^{\circ}>3^{\circ}$
6%
D
$1^{\circ}>3^{\circ}>2^{\circ}$
5%
Solution:
Dehydration involves the formation of carbocation, intermediates. More the stability of carbocation formed, more is the ease of dehydration.
$\therefore $ Stability of carbocation $: 3^{\circ}>2^{\circ}>1^{\circ}$