Which of the statements about the reaction below are incorrect?
2PbO(s) + C(s) → 2Pb(s) + CO2 (g)
(a) Lead is getting reduced.
(b) Carbon dioxide is getting oxidised.
(c) Carbon is getting oxidised.
(d) Lead oxide is getting reduced.
(i) (a) and (b)
(ii) (a) and (c)
(iii) (a), (b) and (c)
(iv) all
The incorrect statements are (a) and (b), so the correct answer is (i).
Explanation:
Lead is getting reduced:
This is incorrect because lead is gaining electrons (being reduced to Pb from PbO) in this reaction.
Carbon dioxide is getting oxidized:
This is incorrect as carbon dioxide is a product of oxidation, not the reactant being oxidized.
Carbon is getting oxidized:
This is correct, carbon is being oxidized from elemental carbon to carbon dioxide.
Lead oxide is getting reduced:
This is correct, lead oxide (PbO) is losing oxygen and is being reduced to elemental lead (Pb).
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