Which of the following describes the standard chemical test for a carboxylic acid functional group?
University of Ilorin CHM108 practice past question
- Add sodium bicarbonate (NaHCO₃) and look for effervescence of CO₂
- Add bromine water and look for rapid decolorization
- Add 2,4-DNPH and look for a yellow-orange precipitate
- Add Tollens' reagent and look for the formation of a silver mirror
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