Acetone reacts with $I_2$ in the presence of $NaOH$ to form:

Which one of the following reactions will not result in the formation of a carbon-carbon bond?

In the reaction $CH_3CHO + HCN \to CH_3CH(OH)CN \xrightarrow{H_3O^+} CH_3CH(OH)COOH$,an asymmetric center is generated. The acid obtained would be:

Fehling solution reacts with $HCHO$ to form a precipitate of which color?

The major products of the following reaction are:

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