Assertion (A) : `(CH_(3))_(3)N` boils at 276 K while `CH_(3)CH_(2)CH_(2)NH_(2)` at `322 K` through both have same molecular mass.
Reason (R) : Molecules of `CH_(3)CH_(2)CH_(2)NH_(2)` form hydrogen bonds while `(CH_(3))_(3)N` molecules are incapable of forming hydrogen bonds.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not a correct explanation of A.
C. A is true but R is false.
D. A is false but R is false.