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The Maxwell-Boltzmann distribution curves below represent the kinetic energies of molecules at four different temperatures in a reaction with an activation energy, Ea, of 7 arbitrary units-used to study kinetics of this reaction at these four temperatures. Amount of the reactant is different at each temperature.Select the perfectly valid statement(s) useful in the study of kinetics of the reaction at different temperatures in terms of Arrhenius collision theory without considering Steric factor:

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Curve III corresponds to highest temperature and also number of collisions that leads to product formation is highest at this temperature

Curve II corresponds to lowest temperature and also number of collisions that leads to product formation is lowest at this temperature

Curve IV corresponds to lowest temperature and number of collisions that leads to product formation is more at this temperature

Curve II corresponds to lowest temperature and fraction of molecules having energy more than 7 units is lowest at this temperature

answer is D.

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Detailed Solution

e-Ea/RT increases with increase in temperature which is equal to fraction of molecules having fruitful collisions.

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