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  4. The equation for the rate constant is k = Ae-Ea/RT. A chemical reaction will proceed more rapidly if there is a decrease in

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Q. The equation for the rate constant is $k = Ae^{-E_a/RT}$. A chemical reaction will proceed more rapidly if there is a decrease in

COMEDKCOMEDK 2010Chemical Kinetics

Solution:

Rate of reaction $\propto K$
More rapid reaction, K must be increased.
$K = A e ^{- Ea / RT }$
K will increase by $A \uparrow$, Ea $\downarrow, T \uparrow$.
So, $E _{ a }$ factor should register a decrease for the reaction to proceed more rapidly.