Question

In acidic medium, reaction, \[\ce{MNO^-_4 → Mn^2+}\] an example of ____________.   

विकल्प

• oxidation by loss of three electrons

• reduction by a gain of three electrons

• oxidation by loss of five electrons

• reduction by gain. of five electrons

Answer 1

In an acidic medium, reaction, \[\ce{MNO^-_4 → Mn^2+}\] an example of reduction by gain. of five electrons.

Explanation:

\[\ce{MNO^-_4 + 5^-_e → Mn^2+}\]