Q.

The first-order rate constant k is related to temperature as log⁡k=15.0−(106/T). Which of the following pair of value is correct?

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a

A=1015 and E=1.9×104 kJ

b

A=10−15 and E=40 kJ

c

A=1015 and E=40 kJ

d

A=10−15 and E=1.9×104 kJ

answer is A.

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Detailed Solution

logk=15.0-106×1T compare this relation with  logk=log A-Ea2.303R×1T We find A=1015 and Ea=1.9×104kj
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