question_answer

                Which one of the following compounds will be most easily attached by an electrophile?               

A)                            

B)                

C)                

D)                

Correct Answer: D

Solution :

                ?CI atom shows o/p-directive influence but deactivate the benzene ring, while ?OH and \[-C{{H}_{3}}\] groups show o/p influence but activates the benzene ring but in these ?OH group activate the benzene ring more than \[-C{{H}_{3}}\].                 Hence, order of electrophilic substitution is