Which one of the following reactions does not form gaseous product?

Options

A. `PbO_(2)+H_(2)O_(2) to`
B. Acidified `KMnO_(4)+H_(2)O_(2) to`
C. `PbS+H_(2)O_(2) to`
D. `Cl_(2)+H_2O_(2) to`

Answer

C

Explanation

Gaseous product is not formed in the following reaction.
`PbS+4H_(2)O_(2) to underset(("Solid"))(PbSO_(4))+4H_(2)O`