Rate of a reaction can be expressed by Arrhenius equation as k=Ae^ -E/RT . In this equation, E represents [AIEEE 2006]

JEE Main Chemistry question

Rate of a reaction can be expressed by Arrhenius equation as . In this equation, represents [AIEEE 2006]

(A)The energy above which all the colliding molecules will react
(B)The energy below which colliding molecules will not reactCorrect
(C)The total energy of the reacting molecules at a temperature,
(D)The fraction of molecules with energy greater than the activation energy of the reaction

Answer: (B)

Solution

(the activation energy) is the minimum energy that colliding molecules must possess for a reaction to occur — molecules colliding with energy below simply do not react

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Question ID VK-144368