Redox Reaction Quiz

Redox Reactions Quiz (JEE Practice)

1. Oxidation involves:

Gain of electrons Loss of electrons Gain of protons Loss of neutrons

2. In the reaction: Zn + CuSO₄ → ZnSO₄ + Cu, which is oxidized?

Zn Cu SO₄²⁻ None

3. The oxidation number of Mn in KMnO₄ is:

+4 +6 +7 +2

4. In disproportionation reaction, the same element is:

Only oxidized Only reduced Both oxidized and reduced Neither

5. The oxidizing agent is the species that:

Loses electrons Gains electrons Increases oxidation number Both a and c