Question

In preparation of sulphuric acid from sulphur dioxide in lead chamber process. What substance is used as a catalyst ?

• A. Manganese dioxide
• B. Vanadium pentoxide
• C. Nitric oxide
• D. Raney Nickel

Answer 1

Answer: (C)

Nitric oxide

Answer 2

In preparation of sulphuric acid from sulphur dioxide in lead chamber process, nitric oxide $NO$ is used as a catalyst.
In preparation of sulphuric acid from sulphur dioxide in contact process, vanadium pentoxide $V_2? O_5$ is used as a catalyst.