Question

What happens when ethanol reacts with alkaline potassium permanganate?

Answer 1

Potassium permanganate react with ethanol to produce manganese(IV) oxide, acetaldehyde, potassium hydroxide and water. 
2KMnO4 + 3C2H5OH = 2MnO2 + 3CH3CHO + 2KOH + 2H2O

Answer 2

Reaction of ethanol with alkaline potassium permanganate leads to oxidation of ethanol to ethanoic acid.

• As per the given word equation, the reactant involved in the process is ethanol and its molecular formula is $CH_3CH_2OH$.
• The alkaline potassium permanganate used in the reaction acts as oxidizing agent of the reaction.
• The general principle involved in the reaction is that oxidation of primary alcohol yields respective carboxylic acid.
• Ethanol is a primary alcohol. When it is oxidized it leads to the formation of ethanoic acid ($CH_3COOH$) and water.
• The chemical equation involved in the reaction is as follows:

$CH_3CH_2OH+KMnO_4\rightarrow CH_3COOH+H_2O$

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