Question

2pbo(s)  +  c(s)  →  2pb(s)  +  co2 (g)
Which  of  the  following  statements  are  correct  for  the  above  chemical  reaction

1) Lead is reduced 2) carbon dioxide is oxidized

3) Carbon is oxidized 4) lead oxide is reduced

a) 1&2 b) 1&3 c) 1, 2, 3 d) All

Answer 1

Answer : The correct option is, (b) 1 and 3

Explanation :

The balanced chemical reaction is,

$2PbO(s)+C(s)\rightarrow 2Pb(s)+CO_2(g)$

Oxidation : Loss of electrons or increase in the oxidation number

$C\rightarrow C^{2+}+2e^-$

Reduction : Gain of electrons or decrease in the oxidation number

$Pb^{2+}+2e^-\rightarrow Pb$

In the given balanced reaction, lead is reduced and carbon is oxidized.

Therefore, the correct option is, (b) 1 and 3