Which of the Following Reactions Is an Oxidation-Reduction Reaction

question 57

Multiple Choice

Which of the following reactions is an oxidation-reduction reaction?

• A)NH₄HS(s)→ NH₃(g)+ H₂S(g)
• B)2 NaHCO₃(s)→ Na₂CO₃(s)+ H₂O(g)+ CO₂(g)
• C)N₂O₄(g)→ 2 NO₂(g)
• D)2 SO₂(g)+ O₂(g)→ 2 SO₃(g)
• E)2 CH₃COOH(aq)+ Ba(OH)₂(aq)→ Ba(CH₃COO)₂(aq)+ 2 H₂O(l)

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