Q. Phenol is more acidic than
A) [image:12_image32.emf]
B) [image:12_image33.emf]
C) $C_{2}H_{2}$
D) Both (a) and (c)
Explanation
(d)
Methoxy group, due to $+ I$ effect, increase electron density on OH- group, thus making it less acidic. Thus, $o$-methoxy phenol and acetylene are less than phenol.
$p$-nitrophenol is more acidic than phenol.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.