1.

Consider the following compounds (1)CH_3CH_2CH_2CH_2OH (2)CH_3CH_2CHOHCH_3 (3)(CH_3)_3COH These compounds are dehydrated by treatment with H_2SO_4 .The correct sequence of increasing order of the reactivity of three compounds towards dehydration is

Answer»

3 lt 1 lt 2
1 lt 2 lt 3
2 lt 1 lt 3
1 lt 3 lt 2

Solution :The increasing order of stabilities of CARBONIUM IONS is `1^@ lt 2^@ lt 3^@` . SINCE carbonium ion is formed as an intermediate in the dehydration of ALCOHOL, so EASE of dehydration in the increasing order is `1^@ lt 2^@ lt 3^@` alcohols.


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