STANDARDChemistry-Redox Reactions

STANDARD Chemistry Oxidation and Reduction MCQ Question

Type: MCQ-conceptual-Medium-Class 11

In the redox reaction, Pb₃O₄ + 8HCl → 3PbCl₂ + Cl₂ + 4H₂O

A

Three Pb²⁺ ions get oxidized to Pb⁴⁺ state

B

One Pb⁴⁺ ion gets reduced to Pb²⁺ and two Pb²⁺ ions remain unchanged in their oxidation state

C

One Pb²⁺ ion gets oxidized to Pb⁴⁺ and two Pb⁴⁺ ions remain unchanged in their oxidation states

D

Three Pb⁴⁺ ions get reduced to Pb²⁺ state.

Correct Answer

Option B

Detailed Explanation

Pb₃O₄ is a mixture of PbO and PbO₂. In the reaction, one Pb⁴⁺ ion is reduced to Pb²⁺ and two Pb²⁺ ions remain unchanged.

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