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The temprature dependence of rate consta...

The temprature dependence of rate constant in a reaction is given by k = A`e^(-2600/T)` the activation energy is :

A

15.48 kJ/mol

B

21.62 kJ/mol

C

35.82 kJ/mol

D

42.63 kJ/mol

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The temperature dependence of rate constant (k) of a chemical reaction is written in terms of Arrhenius equation, k=Ae^(-E_(a)//RT)) Activation energy (E_(a)) of the reaction can be calculate by plotting

A colliison between reactant molecules must occur with a certain minimum energy before it is effective in yielding Product molecules. This minimum energy is called activation energy E_(a) Large the value of activation energy, smaller the value of rate constant k . Larger is the value of activation energy, greater is the effect of temperature rise on rate constant k . E_(f) = Activation energy of forward reaction E_(b) = Activation energy of backward reaction Delta H = E_(f) - E_(b) E_(f) = threshold energy The rate constant of a certain reaction is given by k = Ae^(-E_(a)//RT) (where A = Arrhenius constant). Which factor should be lowered so that the rate of reaction may increase?

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