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Solution


Q.

The correct arrangement for decreasing order of electrophilic substitution for above compounds is:                  [2024]
1 (III) > (I) > (II) > (IV)  
2 (IV) > (I) > (II) > (III)  
3 (III) > (IV) > (II) > (I)  
4 (II) > (IV) > (III) > (I)  

Ans.

(1)

More is electron density on the ring, more is the rate of electrophilic substitution reaction.