13 NO₂^- + 4 MnO₄^- + 6 H⁺ → 2 (Mn₂)⁺ + 13 NO₃^- + 3 H₂O

This is an oxidation-reduction (redox) reaction:

MnO₄^- is an oxidizing agent, NO₂^- is a reducing agent.

Reactants:

• NO₂^- – Dioxidonitrate(1−)
  • Other names: Nitrite , Nitrite ion , NO2(-) ... show more[NO2](-) , Nitrit , Nitrous acid, ion(1-) , Nitrite anion , Nitrite(1-) , NO2 , Nitrogen peroxide ion , Nitrogen dioxide , Nitrogen dioxide ion show less
• MnO₄^-
• H⁺

Products:

• Mn₂⁺
• NO₃^- – Nitrate
  • Other names: Nitrate ion , NO3(-) , [NO3](-) ... show moreNitrate(1-) , NO3 , Trioxonitrate , Isosorbide Dinitrate , Gynazole-1 , Nitric acid , Sorbitrate , Trioxidonitrate , Ganite , Econazole Nitrate , Femstat 3 , Isordil , Nitrooxidane show less
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas