Seema Sinha Solutions for Chapter: Aliphatic and Aromatic Aldehydes and Ketones, Exercise 1: DPP 5.1

If $\mathrm{X}$is $1,2-$addition product then identify $\mathrm{Y}$ in the following reaction sequence.

The end product in the above sequence of reactions is

${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{COCl}\underset{{\mathrm{H}}_2}{\overset{\mathrm{Pd}-{\mathrm{BaSO}}_4}{\to }} \mathrm{X}\stackrel{\mathrm{Oxidation}}{\to }\mathrm{Y}\underset{\mathrm{Dry} \mathrm{Distillation}}{\overset{\mathrm{Ca}-\mathrm{salt}}{\to }}\mathrm{A}$

$$Compound ($\mathrm{A}$) in above reaction sequence is

In the given reaction:

Which of the following will give $3$-pentanone?

The correct statements are:

Acetaldehyde is obtained in the reactions:

Which of the following statements are correct about the $\mathrm{C}=\mathrm{O}$ bond?