How will you obtain oxalic acid from formic acid?
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More direct methods are
1. Add Selenium Dioxide and heat
2. Add lead tetra-acetate and heat
3. Add periodic acid and heat
4. Add Fenton's reagent but no heat is required. However other oxidizing agents such as potassium permanganate… oxidizes to carbon dioxide
5. Heating with glycerol at 383K
6. Heating it with hydrogen and platinum poisoned with quinoline,sulphur etc.Then it is passed (in presence of atmospheric oxygen )through hot vanadium pentoxide tube.
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