Chemistry (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

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30.

A reaction has a rate constant k= 8.54 x 10^-4 M^-15^-1 at 45 C and activation energy E= 90.8 KJ. What is value of k at 25 C?

A: 4.46 x 10^-5 M^-1
B: 5^-1 8.54 x 10^-5 M^-1 5^-1
C: 8.52 x 10%-4 M^-1 5^-1
D: 8.54 x 10^-3 M^-1 5^-1

The answer is: B

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