Pick out the wrong statement pertaining to nitric acid ?

Question

Xaibi Aslam · Accepted Answer

Arc process of nitric acid manufacture is economical as compared to Ostwald&#8217;s process

Xaibi Aslam · Answer

About 90% of nitric acid is manufactured by Ostwald&#8217;s process

Xaibi Aslam · Answer

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

Xaibi Aslam · Answer

Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2)

Question #88696