Q. The value of $n$ in ${MnO}_{4}^{-} + 8H^{+} + {ne}^{-} \rightarrow {Mn}^{2 +} + 4H_{2}O$ is
A) 5
B) 4
C) 2
D) 3
Explanation
(a)
${MnO}_{4}^{-} + 8H^{+} + 5e^{-} \rightarrow {Mn}^{2 +} + 4H_{2}O$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.