Question

$n$-Factor of $KMn{O}_4$ in neutral medium is

• A. 6
• B. 5
• C. 4
• D. 3

Answer 1

Answer: (D)

$KMn{O}_4$ is neutral medium
$\underset{+7}{KMn{O}_4}+2H_{2}O⟶\underset{+4}{Mn{O}_2}$
$\Rightarrow$ n-factor $=7-4=3$