What is the process to convert ethanoic acid into methane?
Dhidhi:
Ethanoic acid can be coverted to methane by Kolbe's electrolysis. i.e. electrolysis of sodium acetate. Another way is decarboxylation i.e. ethanoic acid on reaction with NaOH gives sodium acetate, which on evaporation and heating leads to decarboxylation giving methane.
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Answered by
21
The simplest way would be to make the sodium salt by reacting it with NaOH. Then evaporate it to near dryness and continue heating it with a bunsen burner or similar heat source. The decarboxylation will produce methane. This is hazardous because the methane will catch fire with the flame or any spark so a gas collection apparatus of some sort must be used.
Another method would be to run the electrolysis of the sodium acetate reaction. Methane would be produced at the anode but would be contaminated with CO2 and some ethane. This method is known as the Kolbe electrolysis and is pretty slow.
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9
ethanoic acid + soda lime (NaOH). This reaction is known as decarboxylation.
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