Assertion : `P_(4)` is more reactive than `N_(2)`
Reason: P-P single bond in `P_(4)` is much weaker than `N-=N` triple bond in `N_(2)`
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 false
C. A is true but R is false
D. A is false but R is true