The increasing order of the reactivity of the following compounds
towards electrophilic aromatic substitution reactions is:
II < I < III
III < II < I
III < I < II
I < III < II
Rateof electrophillic aromatic substitution is as follows :
will activate the ring by hyperconjugation & (+I) effect.
will slightly deactivate the ring because of its (-I) effect.
will highly deactivate the ring because of its (-M) effect.
Option (3) is correct.
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