Question

Which of the following effects of $-N{O}_2$ group operates on $-N{H}_2$ group in this molecule ?

• A. Only -I effect
• B. Only +M effect
• C. Only -M effect
• D. Both -I and -M effect

Answer 1

Answer: (A)

Due to steric hindrance, the given species only show I-effect of $-N{O}_2$ on $-N{H}_2$