p-Block elementsHard

Question

When H2S is passed through nitric acid or acidified KMnO4 solution, the product formed is

Options

A.H2SO4
B.colloidal sulphur
C.SO2
D.plastic sulphur

Solution

H2S acts as strong reducing agent with nitric acid and acidified KMnO4.
2HNO3 + H2S → 2H2O + NO2 + S.

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