(A) Molecular nitrogen is less reactive than molecular oxygen.
(R) The bond length of `N_(2)` is shorter than that of oxygen.
A. Statement-1 (A) and statement-2 (R) are true and statement-2 (R) is the correct explanation for statement-1 (A).
B. Statement-1 (A) and statement-2 (R) are true and statement-2 (R) is not the correct explanation for statement-1 (A)
C. Statement-1 (A) is true, statement-2 (R) is false
D. Statement-1 (A) is false, statement-2 (R) is true