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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