Chemistryhard · Past Paper
Identify the oxidant in the reaction: H2S + HNO3 -> NO2 + S + H2O.
AH2S
BHNO3
CS
DNO2
✓ Correct Answer: B — HNO3
Nitric acid (HNO3) gains electrons (Nitrogen goes from +5 to +4), making it the oxidant (oxidizing agent).
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