The aldol condensation of $CH_{3}CHO$ results in the formation of

Nucleophilic addition reaction will be most favoured in

Which reagent is used to distinguish between acetophenone and benzophenone?

Compound $(A)$ with molecular formula $C_6H_{12}O_3$ gives a positive iodoform test and a negative Tollens' test. Upon treatment with water and a drop of $H_2SO_4$,it gives a positive Tollens' test. Compound $(A)$ is:

$3$-hydroxybutanal is formed when $(X)$ reacts with $(Y)$ in a dilute $(Z)$ solution. What are $X, Y$ and $Z$?

Which of the following compounds has the greatest extent of hydration?