On increasing temperature, rate constant:

decreases

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increases

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unchanged

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none of these

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Solution

The correct option is A increases
On increasing temperature, rate constant increases.
$k = A e^{- E_{a} / R T}$
As $T$ increases, $- E_{a} / R T$ increases and $e^{- E_{a} / R T}$ increases. Hence, rate constant and rate increases.

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On increasing temperature, rate constant:

The correct option is A increasesOn increasing temperature, rate constant increases.k=Ae−Ea/RTAs T increases, −Ea/RT increases and e−Ea/RT increases. Hence, rate constant and rate increases.

The correct option is A increases
On increasing temperature, rate constant increases.
$k = A e^{- E_{a} / R T}$
As $T$ increases, $- E_{a} / R T$ increases and $e^{- E_{a} / R T}$ increases. Hence, rate constant and rate increases.