5 CH2O + 2 KMnO4 + 3 H2SO4 → 5 CHOOH + 2 MnSO4 + K2SO4 + 3 H2O
This is an oxidation-reduction (redox) reaction:
2 MnVII + 10 e- → 2 MnII (reduction)
5 C0 - 10 e- → 5 CII (oxidation)
KMnO4 is an oxidizing agent, CH2O is a reducing agent.
Reactants:
- CH2O – Formaldehyde , Methanal
- Other names: Methyl aldehyde , Methylene glycol , Methylene oxide
- Appearance: Colorless gas ; Colourless gas with pungent odour ; Colourless liquid with pungent odour ; Nearly colorless gas with a pungent, suffocating odor. [Note: Often used in an aqueous solution (see specific listing for Formalin).]
- KMnO4 – Potassium manganate(VII)
- H2SO4 – Sulfuric acid
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