Consider a complex reaction taking place in three steps with rate constants 
and 
respectively. The overall rate constant 
is given by the expression 
. If the activation energies of the three steps are 60,30 and 
respectively, then the overall energy of activation in 
is…... (Nearest integer)
Text Solution
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and 
are given as rate constants of three steps of a complex reaction. Rate
constant (k) of the overall reaction is given as
Activation energies of the three steps are given as
,
From Arrhenius equation, we know that
If 
is the activation energy of the overall reaction, then
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