Question

The  formation of 2-butene as a  major product by dehydration of 2-butanol is in accordance with

(a) Blanc rule

(b) Huckel rule

(c) Markownikoff's rule

(d) Saytzeff's rule.

Answer 1

Correct option (d) Saytzeff's rule.

Explanation:

According to Saytzeff's rule. in the dehydration of secondary and tertiary alcohols, when there is a possibility of formation of two isomers, the hydrogen atom is preferentially eliminated from the adjacent carbon atom with the fewer number of hydrogen atoms.