Hydrocarbons Part 2

But-2-yne is reacted separately with one mole of Hydrogen as shown below:

B

−

Na

←

liq‌NH3

NH3−C≡C−CH3

Pd∕C

→

Δ

A

−

Identify the incorrect statements from the options given below:
A. A is more soluble than B.
B. The boiling point & melting point of A are higher and lower than B respectively.
C. A is more polar than B because dipole moment of A is zero.
D. Br2 adds easily to B than A.