Which one of the following organic compound is used to remove stains of iron compounds?
A. Oxalic acid
B. Benzoic acid
C. Phthalic acid
D. Cinnamic acid
Answer: Option A
Solution (By Examveda Team)
Oxalic acid is widely used as an acid rinse in laundries, where it is effective in removing rust and ink stains because it converts most insoluble iron compounds into a soluble complex ion.This Question Belongs to General Knowledge >> Chemistry
Join The Discussion