Question

1. 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

Answer 1

Statement (a) and Statement (b) are incorrect for the following reaction 2PbO(s) + C(s) → 2Pb(s) + CO₂(g).

Explanation:

• Statement (a): is wrong since oxygen is separated from lead oxide, which means the lead oxide is reduced to lead.
• Statement (b): is wrong since oxygen is applied to carbon to form carbon dioxide, which means that it is oxidized to carbon dioxide.
• Statement (c): is correct because Lead oxide loses oxygen and it is reduced.
• Statement (d): is correct Carbon gains oxygen and is then oxidized.

Therefore, Statement (a) and Statement (b) are incorrect for the following reaction 2PbO(s) + C(s) → 2Pb(s) + CO₂(g).

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Answer 2

$\bigstar$ Solution:

(a) Lead is getting reduced. & (b) Carbon dioxide is getting oxidised.

$\bigstar$ Explanation:

• Oxygen is being removed.
• Because the removed oxygen from Lead is added to the elemental Carbon.