Assertion: Molecular N2 is less reactive than molecular O2. Reason: The bond length of N2 is shorter than in O2.
(a) If both A & R are correct and R is the correct explanation of the assertion.
(b) If both A & R are correct but R is not the correct explanation of the assertion.
(c) If A is correct ,but R is incorrect
(d) If both A & R are incorrect