Question

State whether the compounds shown in bold letters are oxidised or reduced. Provide reasons also.
(i) PbO + CO → Pb + CO₂
(ii) H₂S + CI₂ → 2HCl + S
(iii) CuO + H₂ → Cu + H₂O

Answer 1

Explanation:

1. PbO is reduced and CO is oxidised
2. H2S is oxidised and Cl2 is reduced
3. CuO is reduced and H2 is oxidised

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