Question

Give an example of a redox reaction involving metallic oxide and a neutral gas as the only reactant .​

Answer 1

Answer:What is an example of a redox reaction involving a metallic oxide and a neutral gas as the only reactant?

Two examples of such a redox reaction are given below.

(1) Iron(III) oxide or ferric oxide reacts with carbon monoxide at a high temperature to produce iron and carbon dioxide.

Fe2O3 + 3CO = 2Fe + 3CO2

Carbon monoxide is a neutral gas and it reduces the metal oxide to free metal.

(2) When hydrogen is passed over heated lead(II) oxide, the latter is reduced to lead.

PbO + H2 = Pb + H2O

Hydrogen is the reducing agent here and it gets oxidised to water. Hydrogen is a neutral gas - neither acidic nor basic.

Explanation:

Answer 2

Answer:

CuO + H2 —> Cu + H2O

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