5 C2-IIH5OH + 12 KMnVIIO4 + 18 H2SO4 12 MnIISO4 + 6 K2SO4 + 10 CIVO2 + 33 H2O

This is an oxidation-reduction (redox) reaction:

12 MnVII + 60 e- 12 MnII (reduction)

10 C-II - 60 e- 10 CIV (oxidation)

KMnO4 is an oxidizing agent, C2H5OH is a reducing agent.