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The rate constant of a reaction at tempe...

The rate constant of a reaction at temperature 200 K is 10 times less than the rate constant at 400 K. What is the activation energy `(E_(a))` of the reaction ? (R = gas constant)

A

1842.4 R

B

921.2 R

C

460.6 R

D

230.3 R

Text Solution

Verified by Experts

The correct Answer is:
B
`log K_(2)/K_(1) =E_(a)/(2.303 R) [1/T_(1)-1/T_(2)]`
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