What is the value of x in the following equation? MnO - 4 + 4H

CHEMISTRY

WAEC 1997

What is the value of x in the following equation? MnO^- 4 + 4H⁺ + xe^-â†’ MnO²⁺ 2H₂O

A. 2
B. 3
C. 4
D. 7

Correct Answer: B. 3

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