Which of the following substituted benzene derivative would furnish three isomers when one more electrophilic substituent is introduced? Select the correct answer using the codes given below.

Which of the following substituted benzene derivative would furnish th

1.	Which of the following substituted benzene derivative would furnish three isomers when one more electrophilic substituent is introduced? Select the correct answer using the codes given below.
Answer» (i) (ii) (iii) (iv) SOLUTION :Three different position PRESENT in option (I) and (III) for further EAS