Assertion: In the reaction `N_(2) + 3H_(2) rarr 2NH_(3)`, the rate of reaction is different in terms of `N_(2), H_(2)` and `NH_(3)`.
Reason: Rate of disapperenace of `N_(2)` and `H_(2)` and rate of formation of `NH_(3)` are not equal to each other.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but the reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.