Chemistry

Problem

A definite amount of reducing agent is oxidised by 20 mL of

1\text{M}

\text{KMnO}_4

in acid medium, then the same amount of reducing agent is oxidised in same state by how many mL of

1\text{M}

\text{KMnO}_4

in neutral medium it self changing to

\text{Mn}^{4+}

state : a. 3 mL b. 33.3 mL c. 12 mL d. 24 mL