DPP 5.1

Ethylidene chloride on treatment with $\text{aq. KOH}$ gives:

 on reductive ozonolysis yields

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

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?