JEE Advanced | 2014Ionic EquilibriumHard

Question

The acidic hydrolysis of ether (X) shown below is fastest when
     

Options

A.One phenyl group is replaced by a methyl group
B.One phenyl group is replaced by a para-methoxyphenyl group
C.Two phenyl groups are replaced by two para-methoxyphenyl groups
D.No structural change is made to X

Solution

-OCH3 group has +R effect. It increases the stability of the carbocation.

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