Published by:
CGP EDU Academic Team
Published on: August 13, 2026
For two parallel path reaction the rate constants and Ea are shown
Select the correct statement.
A
Arrhanius constants for both the process may have different values
B
The overall energy of activation E = 
C
[B] = 
[A 0 ] (1 – e –kt )
[A 0 ] (1 – e –kt )
D
= 
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, b, c, d)
* Since rate constants are different so A may have different value.
* For any parallel path first order reaction
E = 
* 
= (K 1 + K 2 ) = K [A] = K dt
∴ [A] = [A 0 ] e –Rt 
= K 1 [A] = K 1 [A 0 ] e
–Rt
on integration,
= – 
A 0 e –Rt + Z (integration constant)
when t = 0, 
= 0, ∴ Z = 
[A 0 ]
∴ B = 
A 0 (1 – e –Kt )
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