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Which one of the following will be the m...

Which one of the following will be the most easiliy attacked by an electrophile?

A

B

C

D

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The correct Answer is:
D

Electrophilic aromatic substitutionn is relatively faster in the presence of activators but relatively slower in the presence of deactivators the `-Cl` groups is weakly deactivating `-CH_(3)` group is wekly activating but `-OH` group is strongly activating.
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