1.

The most reactive of the following towards electrophilic substitution reaction is A. IB. IIC. IIID. IV

Answer» Correct Answer - B
`-CF_3` is deactivating group while `-CH_3` are activating groups. Methoxy group is stronger activating group than `-CH_3` because `-OCH_3` group is stornger electron releasing group due to resonance while `-CH_3` has weaker `+I` effect.


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