Rate of a reaction can be expressed by Arrhenius equation as: k = Ae^ -E/RT In this equation, E represents

JEE Main 2006 Chemistry question

Rate of a reaction can be expressed by Arrhenius equation as:

k =

In this equation, E represents

(1)the energy above which all the colliding molecules will react
(2)the energy below which colliding molecules will not reactCorrect
(3)the total energy of the reacting molecules at a temperature,
(4)the fraction of molecules with energy greater than the activation energy of the reaction

Answer: (2)

Solution

E is the activation energy — the minimum energy colliding molecules must possess to react; molecules with less energy do not react, option (2). Not all

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Question ID VK-038825