- Carboxylic acid contains the carboxyl functional group (-COOH). These acids turn a blue litmus paper to red. This group of compounds can be investigated with an acidity test.

-In this experiment, we will carry out the acidity test by adding sodium bicarbonate to the acid. This will result in effervescence and the emergence of carbon dioxide gas. We will use acetic acid in this experiment.


  • Identification of the carboxylic functional group.


  • Qualitative organic analysis

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