Practice question

MCQ

Question

Which reaction involves a redox process where the oxidizing agent is a metal oxide?

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Choose one · Correct answer highlighted

2Na + Cl₂ → 2NaCl S + O₂ → SO₂ NiO + H₂ → Ni + H₂O Correct 2H₂O₂ → 2H₂O + O₂

Explanation

In NiO + H₂ → Ni + H₂O, NiO (Ni: +2 to 0) is reduced, oxidizing H₂ (0 to +1).

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