Q. Potassium permanganate acts as an oxidant in alkaline and acidic media. The final products formed from ${KMnO}_{4}$ in the two conditions are respectively
A) ${MnO}^{2 -}\ and\ {Mn}^{3 +}$
B) ${Mn}^{3 +}\ and\ {Mn}^{2 +}$
C) ${Mn}^{2 +}and\ {Mn}^{3 +}$
D) ${MnO}_{2}\ and\ {Mn}^{2 +}$
Explanation
(d)
In acidic medium,
$\ + 7\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ + 2\ \ \ \ \$
${KMnO}_{4} \longrightarrow {MnSO}_{4}$
In weak basic medium
${KMnO}_{4} \longrightarrow {MnO}_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.