Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A possible mechanism for the gaseous reaction 
is
Step 1: 
Step 2: 
(slow)
Step 3: 
The rate law for this :eaction is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Step 1:2 NO 
Step 
(slow)
Step 
As slowest step is the rate determining step. So, rate of reaction will be given as,
From the equilibrium step,
Now, substitute equation (ii) in equation (i), we get
Since 
both are constants, put 
in the above equation rate 
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