What is the molar of hydrogen sulphide gas in the reaction H2SO4(aq) + 3H2S(g) → 4S(s) + 4H2O (l) n represented by the following equation?

A. Reducing agent
B. A bleaching agent
C. A dehydrating agent
D. A sulphonating agent
E. An oxidizing agent

Correct Answer:

Option A – Reducing agent