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Question
2 ml of ethanoic acid was taken in each of the three test tubes A, B and C. To these test tubes 2 ml, 4 ml and 8 ml of water was added respectively. Which test tube should contain a clear solution?
2 ml of ethanoic acid was taken in each of the three test tubes A, B and C. To these test tubes 2 ml, 4 ml and 8 ml of water was added respectively. Which test tube should contain a clear solution?
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Solution
The correct option is D All three test tubes
Ethanoic acid has a methyl group attached to the carboxylic group (−COOH). The polar carboxylic group interacts with polar water molecules. As the size of the non-polar alkyl group is very small in ethanoic acid, it dissolves in water in all proportions. Thus, all the test tubes have a clear solution.
Ethanoic acid has a methyl group attached to the carboxylic group (−COOH). The polar carboxylic group interacts with polar water molecules. As the size of the non-polar alkyl group is very small in ethanoic acid, it dissolves in water in all proportions. Thus, all the test tubes have a clear solution.
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