Question

Which of the following is not correctly matched ?

Group showing + R effect		Group showing - R effect
a	- NHCOR	- COOH
b	$>C=O$	- OH
c	- OR	- CHO
d	- OCOR	- $N{O}_2$

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (B)

$-OH$ shows $+R$ effect while