Question

In metabisulphite method, the resulting sulphuric acid is bubbled through nitric acid which will release __________.

• A. yellow liquid
• B. colorless gas
• C. brown/red vapors
• D. yellow/green vapors

Answer 1

The correct option is C brown/red vapors

A method of sulphuric acid production is the less well-known metabisulfite method, in which metabisulfite is placed at the bottom of a beaker, and 12.6 molar concentration hydrochloric acid is added.

The resulting gas is bubbled through nitric acid, which will release brown/red vapors.

Option C is correct.