For a first order reaction A → P, the temperature (T) dependent rate constant (k) was found to follow the equation k = -(2000) 1 T + 6.0. The pre-exponential factor A and the activation energy E_a, respectively, are

JEE Advanced 2009 Chemistry question

For a first order reaction A → P, the temperature (T) dependent rate constant (k) was found to follow the equation . The pre-exponential factor A and the activation energy , respectively, are

(A) s⁻¹ and 9.2 kJ mol⁻¹
(B)6.0 s⁻¹ and 16.6 kJ mol⁻¹
(C) s⁻¹ and 16.6 kJ mol⁻¹
(D) s⁻¹ and 38.3 kJ mol⁻¹Correct

Answer: (D)

Solution

The Arrhenius equation in log form is . Comparing: s⁻¹ (units of a

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Question ID VK-037731