Which of the following substituents will decrease the acidic stre… - Vidyadip

MCQ

Which of the following substituents will decrease the acidic strength of phenol?

A
$-NO_2$
B
$-CN$
✓
$-CH_3$
D
$-CHO$

✓

Answer

Correct option: C.

$-CH_3$

c
$+ I\, \propto \, \frac{1}{acidic \,strength} \, -CH_3$ has $+I$ effect which destabilizes conjugate anion

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