Balance the following reaction

CHEMISTRY · Single correct · AP · Chemistry · Chemical Reactions · Chemical Reactions

Problem

Balance the following reaction, which takes place in basic solution, using the half-reaction method.

\text{MnO}_4^- + \text{NO}_2^- \rightarrow \text{MnO}_2 + \text{NO}_3^-

What is the coefficient of

\text{NO}_{3}^{-}

in the balanced overall equation? (a)

2

(b)

6

(c)

3

(d)

4