STANDARD Chemistry Balancing Equations MCQ Question
For the redox reaction, MnO₄⁻ + C₂O₄²⁻ + H⁺ → Mn²⁺ + CO₂ + H₂O The correct coefficients of the reactants for the balanced equation are
MnO₄⁻ - 16 C₂O₄²⁻ - 5 H⁺ - 2
MnO₄⁻ - 2 C₂O₄²⁻ - 5 H⁺ - 16
MnO₄⁻ - 2 C₂O₄²⁻ - 16 H⁺ - 5
MnO₄⁻ - 5 C₂O₄²⁻ - 16 H⁺ - 2
Correct Answer
Detailed Explanation
The balanced equation is 2MnO₄⁻ + 5C₂O₄²⁻ + 16H⁺ → 2Mn²⁺ + 10CO₂ + 8H₂O. The coefficients ensure mass and charge balance.
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