Primary aldehyde on oxidation gives

Ketones react with $Mg-Hg$ followed by treatment with water to give:

The image shows the hydration equilibrium of formaldehyde and acetone. Identify the values of $x$ and $y$ representing the percentage of hydrate formed at equilibrium for formaldehyde and acetone,respectively.

The major product $(P)$ in the following reaction sequence is:

Predict the products in the given reaction.

The product of the reaction is