Compound(s) which will liberate carbon dioxide with sodium bicarbonate solution

Question:

Compound(s) which will liberate carbon dioxide with sodium bicarbonate solution is/are:

  1. $\mathrm{B}$ and $\mathrm{C}$ only

  2. B only

  3. $A$ and $B$ only

  4. $C$ only


Correct Option: 1

Solution:

Compounds which are more acidic then $\mathrm{H}_{2} \mathrm{CO}_{3}$, gives $\mathrm{CO}_{2}$ gas on reaction with $\mathrm{NaHCO}_{3} .$ Compound $\mathrm{B}$ i.e. $\mathrm{Benzoic}$ acid and compound $\mathrm{C}$ i.e. picric acid both are more acidic than $\mathrm{H}_{2} \mathrm{CO}_{3}$.

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