Identify the substance oxidized reduced, oxidizing agent and a reducing agent for each of the following reactions:

Pb(s) + PbO₂(s) + 2H₂SO₄(aq) → 2PbSO₄(s) + 2H₂O(l)

Oxidised substance:-Pb

Reduced Substance:- PbO₂

Reducing agent:-Pb

Oxidising agent:- PbO₂

Explanation:- Oxidising agent is a reagent which can increase the O.N. of an element in a given substance.

Here, the Pb of PbO₂ helps Pb to increase its oxidation number.

The reduced substance is a reagent whose oxidation state has been decreased.

Here, in this case, Pb in PbO₂ has + 4 oxidation state and the O.N. is reduced to + 2 as Pb in PbSO₄ in the product side is present in + 2 O.N.

The oxidised substance is a reagent whose oxidation state has been decreased.

Here, in this case, Pb has zero oxidation state and the O.N. is increased to + 2 as Pb in PbSO₄ in the product side is present in + 2 O.N.

Reducing Agent is a reagent which lowers the oxidation number of an element in a given substance.

Here, Pb helps itself to decrease its oxidation number.