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

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

  1. One phenyl group is replaced by a methyl group.
  2. One phenyl group is replaced by a para-methoxyphenyl group.
  3. Two phenyl groups are replaced by two para-methoxyphenyl groups.
  4. No structural change is made to X.

Solution

When two phenyl groups are replaced by two para methoxy group, carbocation formed will be more stable

Asked in: JEE Advanced 2014 (Paper 2)

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