The Sodium Bicarbonate () test is a critical qualitative analysis tool in organic chemistry. Which o — Aldehydes Ketones and Carboxylic Acids Chemistry Question

💡 Solution & Explanation

The bicarbonate test works because carboxylic acids are stronger acids than carbonic acid ($H_2CO_3$), so they displace it. It is positive for acids stronger than phenol (phenols generally fail this test). The positive visual indicator is the brisk effervescence of invisible $CO_2$ gas, not a red precipitate.