An organic compound reacts with aqueous Sodium Bicarbonate () to produce brisk effervescence of a colorless gas. This positively indicates that the compound is:

Question

An organic compound reacts with aqueous Sodium Bicarbonate ($NaHCO_3$) to produce brisk effervescence of a colorless gas. This positively indicates that the compound is:

Prashant Kotian · Accepted Answer

Correct answer: B. The bicarbonate test works on the principle that a stronger acid displaces a weaker acid from its salt. Carboxylic acids displace carbonic acid, which decomposes to release gas. Standard phenols fail this test.

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