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  3. Chemistry
  4. The compound that does not liberate CO2 , on treatment with aqueous sodium bicarbonate solution, is

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Q. The compound that does not liberate $CO_{2}$ , on treatment with aqueous sodium bicarbonate solution, is

NTA AbhyasNTA Abhyas 2020

Solution:

Compounds with -COOH group or - $SO_{3}H$ group can liberate $CO_{2}$ with $NaHCO_{3}$ solution as they are more acidic than carbonic acid. As phenol is less acidic than carbonic acid so cannot give this test.