The compound that does not liberate CO2, on treatment with aqueous NaHCO3solution , is:
Benzoic acid
Benzenesulphonic acid
Salicylic acid
Carbolic acid
Phenol is known as carbolic acid. It does not liberate CO2 from NaHCO3
The compound that does not liberate CO2, on treatment with aqueous sodium bicarbonate solution, is