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Q. For a gaseous reaction, following data is given:
$A\to B, k_1= 10^{15}e^{-2000/T}$
$C \to D, k_2 = 10^{14}e^{-1000/T}$
The temperature at which $k_1=k_2$ is:

Chemical Kinetics

Solution:

$k_{1}=k_{2}$
$10^{15}e^{-2000/T}=10^{14}e^{-1000/T} 10=e^{1000/T}$
$2.303 log 10=\frac{1000}{T}$
$T=434.2K$