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Solution


Q.

Decreasing order of reactivity towards electrophilic substitution for the following compounds is:         [2023]
1 a > d > e > b > c  
2 d > a > e > c > b  
3 e > d > a > b > c  
4 c > b > a > d > e  

Ans.

(3)

Higher the electron density on benzene ring, higher is its reactivity towards electrophilic substitution reaction.

Rate∝EDG∝1EWQ

Hence, the correct order is  e>d>a>b>c.