Question

The correct increasing order of basic strength for the following compounds is :

• A. III < I < II
• B. III < II < I
• C. II < I < III
• D. II < III < I

Answer 1

Answer: (C)

II < I < III

Answer 2

$- NO _{2}$ has strong $- R$ effect and $- CH _{3}$ shows $+ R$ effect.

$\therefore$ Order of basic strength is