How to convert ethanol into methanol.?

Ethanol can convert to methanol by following steps

  • Ethanol first undergoes oxidation by reacting it with chromium trioxide to form acetic acid.

CH₃CH₂OH + CrO₃ → CH₃COOH

  • Acetic acid is then reacted with sodium hydroxide to form sodium acetate and water

CH₃COOH +NaOH → CH₃COONa +H₂O

  • sodium acetate is reacted with sodium hydroxide and calcium oxide to form methane and sodium carbonate and calcium.

CH₃COONa +NaOH + CaO → CH₄ + Na₂CO₃ + Ca

  • Methane then reacted with chlorine molecule to form methyl chloride and hydrochloric acid

CH₄ + Cl₂ → CH₃Cl + HCl

  • Methyl chloride is passed through aqueous potassium hydroxide to form methanol

CH₃Cl + KOH → CH₃OH

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