Science, asked by shreenidhi9178, 11 months ago

(a) Identify the substances that are oxidised and the substances that are reduced in the following reactions.(i) ZnO(s)+C(s) → Zn(s)+CO(g)
(ii)Cuo(s)+H₂(g) → Cu(s)+H₂O(I)
(b) Name the oxidising and reducing agent in the following reaction:2H₂S+SO₂ → 2H₂O+3S↓

Answers

Answered by lakshmandesai4
9

Answer:

CuO is reduced to Cu, so CuO is the oxidizing agent. H2 is oxidized to H2O, so it is the reducing agent.

Answered by topwriters
6

Oxidizing and reducing agents

Explanation:

ZnO(s)+C(s) → Zn(s)+CO(g)

Zinc oxide is reduced to zinc.

Carbon is oxidized to Carbon mono-oxide.

Cuo(s)+H₂(g) → Cu(s)+H₂O(I)

Copper oxide is reduced to Copper.

Hydrogen is oxidized to water.

2H₂S+SO₂ → 2H₂O+3S↓

SO2 oxidizes hydrogen to water. SO2 is the oxidizing agent.

H2S reduces SO2 to S. So H2S is the reducing agent.

An oxidizing agent is a reactant that removes electrons from other reactants during a redox reaction; a reducing agent is an element that loses an electron to an electron recipient in a redox chemical reaction.

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