Question

The $2PbO + C \to 2Pb + C{O_2}$ is an example of _____
A. oxidation reaction
B. reduction reaction
C. redox reaction
D. none of these

Answer 1

Hint : In order to answer this question, to know the given reaction is of which type, we should observe each of the elements and compound takes part in the given reaction, whether one is taking place oxidation or reduction .

Complete Step By Step Answer:
The given reaction is-
$2PbO + C \to 2Pb + C{O_2}$
$P{b^{2 + }} \to Pb$ (i.e. reduction)
${C^{ + 0}} \to {C^{ + 4}}$ (i.e. oxidation)
As reduction and oxidation, both reactions are there, so it is a redox reaction, where $C$ gets oxidised and $Pb$ gets reduced.
Redox reactions are oxidation-reduction chemical reactions in which the reactants undergo a change in their oxidation states. The term ‘redox’ is a short form of reduction-oxidation. All the redox reactions can be broken down into two different processes – a reduction process and an oxidation process.
Hence, the correct option is (C).redox reaction.

Note :
Here, one question arises why redox reaction is known as oxidation-reduction reaction. So, in the reaction, when both oxidation and reduction takes place in the different compounds, that is the redox reaction as well known as oxidation-reduction reaction.