Number of compounds from the following which will not dissolve in cold $\mathrm{NaHCO}_{3}$ and NaOH

Question

Number of compounds from the following which will not dissolve in cold $\mathrm{NaHCO}_{3}$ and NaOH solutions but will dissolve in hot NaOH solutions is $\_\_\_\_$ .

Professor PC Thomas Classes · Answer

(3) : Basic hydrolysis of ester is done by heating it with NaOH which results in formation of carboxylate ion and alcohol.\ Thus, the compounds which will dissolve in hot NaOH are\ \