Question 7

How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties?

Answer
Ethanol Ethanoic Acid

Ethanol is a liquid at room temperature with a pleasant odour while ethanoic acid has vinegar-like smell. The melting point of ethanoic acid is 17°C. This is below room temperature and hence, it freezes during winters.

For ex:

 CH3CH2OH + Na2CO3 → No Reaction

Ethanoic acid reacts with metal carbonates and metal hydrogen carbonates to form salt, water, and carbon dioxide gas while ethanol does not react with them.

 

For ex:

 2CH3COOH + Na2CO3 → 2CH3COONa + H2O + CO2

 

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