Q

In the reaction ZnO + C → Zn + CO:

RRB Group D, 22-Aug-22 S-3 2022
✓ Answer: C ZnO is reduced to Zn
In the reaction ZnO + C → Zn + CO, ZnO is reduced to Zn, as it gains electrons and the oxidation state of zinc decreases from +2 to 0. Carbon acts as a reducing agent and is oxidized to carbon monoxide (CO), where its oxidation state increases from 0 to +2. This is a redox reaction involving both reduction and oxidation.
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