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17. ⁠Chemical kinetics question bank (Chemistry)

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Q1.

What is the role of a catalyst in a catalytic reaction?

(A)
It decreases the enthalpy of reaction.
(B)
It increases the enthalpy of reaction.
(C)
It decreases the energy of activation of reaction.
(D)
It increases the energy of activation of reaction.
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Q2.

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

(A)
$k$
(B)
$A$
(C)
$E_a$
(D)
$T$
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