What functional group was mainly responsible for the damage of mucous membranes of the mouth and gut in patients that used salicylic acid as an antipyretic and analgesic drug?
A) Phenol
B) alkane
C) benzene
D) ester
The correct answer is A) phenol due to the presence of OH group stimulate excessive secretion of HCl in stomach which help in damage of mucous membrane in gut
