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

Question

Number of compounds from the following which will not dissolve in cold NaHCO 3 and NaOH solutions but will dissolve in hot NaOH solution is _____ .

Aicharya · Accepted Answer

The given compound not dissolve in cold &#160; NaHCO 3 &#160; and &#160; NaOH solution, means that does not have carboxylic acid group or phenol group. But the compounds will dissolve in hot NaOH solution means they contain ester functional group. The compounds 2 , 3 , 7 contain ester functional group.

Number of compounds from the following which will not dissolve in cold NaHCO 3 and NaOH solutions but will…

Solution