JEE Advanced 2023 Chemistry question on Basic Principles of Organic Chemistry

In the following reactions, P, Q, R, and S are the major products.

The correct statement about P, Q, R, and S is

1. A.
   P is a primary alcohol with four carbons.
2. B.
   Q undergoes Kolbe's electrolysis to give an eight-carbon product.
3. C.
   R has six carbons and it undergoes Cannizzaro reaction.
4. D.
   S is a primary amine with six carbons.

[JEE Advanced 2023 · Paper 2]