Q. Number of compounds from the following which will not dissolve in cold $N a H C O_{3}$ and $N a O H$ solutions but will dissolve in hot $N a O H$ solution is______

1377 146 JEE MainJEE Main 2023Aldehydes Ketones and Carboxylic Acids Report Error

Answer: 3

Solution:

Compound $2, 3, 7$