Question:
Give simple chemical tests to distinguish between the following pairs of
compounds:
(I) Ethyl benzoate and benzoic acid
(II) Propanal and propanone
Give simple chemical tests to distinguish between the following pairs of
compounds:
(I) Ethyl benzoate and benzoic acid
(II) Propanal and propanone
(I) Ethyl benzoate and benzoic acid
(II) Propanal and propanone
Updated On: Jun 24, 2025
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Solution and Explanation
(I) Ethyl benzoate and benzoic acid can be distinguished using an ester hydrolysis test. Ethyl
benzoate undergoes hydrolysis in the presence of an acid or base to form benzoic acid and
ethanol, while benzoic acid remains unchanged.
(II) Propanal and propanone can be distinguished using a mild oxidizing agent like Tollens’ reagent. Propanal will be oxidized to form an acid (propanoic acid), while propanone will not react with Tollens’ reagent.
(II) Propanal and propanone can be distinguished using a mild oxidizing agent like Tollens’ reagent. Propanal will be oxidized to form an acid (propanoic acid), while propanone will not react with Tollens’ reagent.
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