The major product $X$ formed in the following reaction is:

In the given reaction,
$Cyclohexanone \xrightarrow[(ii) \text{ heat}]{(i) \text{ } OH^-} 'P'$
The number of $\pi$ electrons present in the product $'P'$ is $....$

Which of the following reagents can be used to distinguish between an aldehyde and a ketone?

Which of the following undergoes haloform reaction?
$ (i) \ CH_3CH_2COCH_2Cl $
$ (ii) \ C_6H_5COCH_3 $
$ (iii) \ C_6H_5COCHCl_2 $
$ (iv) \ CH_3CH_2COCCl_3 $

The products $(A)$ and $(B)$ are formed by the following reaction sequence:
$1$. $\text{NH}_2\text{OH}$
$2$. $\text{H}^+, \Delta$
$3$. $\text{LiAlH}_4$
Identify the products $(A)$ and $(B)$.

Rank the following compounds in order of increasing value of the equilibrium constant for hydration,$K_{hyd}$. (smallest value first).
$1$: Cyclobutanone
$2$: Cyclopropanone
$3$: Di-tert-butyl ketone