If the rate of reaction increases by 27 times, when temperature is increased by 30 K, then temperature coefficient of the reaction is:

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2.5

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Solution

The correct option is A 3
Let the temperature coefficient of the reaction be $k$ ,

Therefore,
$k^{3} = \frac{r a t e o f r e a c t i o n a t T + 30}{r a t e o f r e a c t i o n a t T} = 27$

$\Rightarrow k = 3$

Hence, the correct option is $A$

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