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Question

Chemistry Question on Phenols

When phenol is treated with D2SO4/D2OD_2SO_4/D_2O, some of the hydrogens get exchanged. The final product in this exchange reaction is

A

B

C

D

Answer

Explanation

Solution

In acidic medium, phenol exists in following resonating structures.

Since, o/po / p positions are electron rich sites, so electrophile will attack on these site, i.e., hydrogen of these sites get exchanged by DD (deuterium). Hence, the final product of the