Which of the Following Is Best Described as an Oxidation-Reduction

question 4

Multiple Choice

Which of the following is best described as an oxidation-reduction reaction?

• A)SO₂(g)+ H₂O(l)→ H₂SO₃(aq)
• B)2Cl(g)→ Cl₂(g)
• C)3O₂(g)→ 2O₃(g)
• D)2NO₂(g)→ N₂O₄(g)
• E)SO₂(g)+ O₂(g)→ SO₃(g)

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Definitions:

Importing

The purchase of goods and services from foreign sources.