Question

The value of $x$ in the partial redox equation

$MnO_{4}^{-} + 8H^{+} + xe$ ⇌$Mn^{2 +} + 4H_{2}O$ is.

• A. 5
• B. 3
• C. 1
• D. 0

Answer 1

Answer: (A)

5

Answer 2

$MnO_{4}^{-} + 8H^{+} + 5e^{-}$⇌ $Mn^{+ +} + 4H_{2}O$.