MCQ Practice

Pick out the wrong statement pertaining to nitric acid.

A

About 90% of nitric acid is manufactured by Ostwald

B

It is a strong mono basic acid which reacts with almost all the metals except noble metals

C

Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO 2 )

D

Arc process of nitric acid manufacture is economical as compared to Ostwald

Correct Answer: D