Published by:
CGP EDU Academic Team
Published on: August 13, 2026
For the irreversible process, A + B 
products, the rate is first–order w.r.t. A and second–order w.r.t. B. If 1.0 mol each of A and B introduced into a 1.0 L vessel, and the initial rate was 1.0 × 10 –2 mol L –1 s –1 , rate when half reactants have been turned into products is :
Text Solution
Verified by ExpertsThe correct answer is:
A
A + B 
product
r = K [A] 1 [B] 2
r 1 = K [1] 1 [1] 2 = 1 × 10 –2 (K = 1 × 10 –2 )
r 1 = K 
= 1 × 10 –2 × 
= 1.25 × 10 –3
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