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Describe two tests to detect carboxylic acid group in an organic compound. |
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Answer» Solution :The carboxylic acids can be tested by the following tests : 1. Litmus test. Add a small amount of blue litmus solution to the given COMPOUND. If the litmus solution TURNS red, it indicates that the organic compounds is a carboxylic acid. 2. Sodium bicarbonate test. To a small portion of the organic compound in a test TUBE, and a pinch of solid sodium bicarbonate. Evolution of carbon dioxide with brisk EFFERVESCENCE shows the presence of earboxylic acid. |
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