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The acidic hydrolysis of ether (X) shown below is fastest when Figure OR acid OH + ROH

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.

Correct answer: two phenyl groups are replaced by two para - methoxyphenyl groups

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