First slide

Rate constant

Question

Rate constant of a reaction is influenced by
A) Catalyst B) Temperature C) Concentration of reactants

Easy

A

A only
B

A, B only
C

A,B,C
D

B only

Solution

In presence of catalyst, activation energy $↓$ rate constant $↑$
As temperature $↑$ , rate constant $↑$
(or)
Rate = $K C^{n}$
With $↑$ in temperature, rate $↑$ but ‘C’ remains constant
$∴$ K $↑$ with $↑$ in temperature

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