JEE Advance - Chemistry (2013 - Paper 1 Offline - No. 10)

The compound that does NOT liberate CO2, on treatment with aqueous sodium bicarbonate solution, is
Benzoic acid
Benzenesulphonic acid
Salicylic acid
Carbolic acid (Phenol)

Explanation

Comparatively phenol is a weaker acidic than carbonic acid (H2CO3), and hence does not liberate CO2 on treatment with aqueous NaHCO3 solution. The rest are more acidic than H2CO3, and so liberate CO2.

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