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As per your syllabus, eqn 7.4, in 2H₂S(g) + O₂(g) → 2S(s) + 2H₂O(l), H₂S is oxidised mainly because of which change?
AAddition of hydrogen
BLoss of mass
CRemoval of oxygen
DRemoval of hydrogen
Answer & Solution
Correct answer: D. Removal of hydrogen
Your syllabus: H₂S loses its H atoms
→ S; this counts as oxidation under the broadened definition (removal of H).
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