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Rate of a general reaction A + B `to` products can be expressed as follows on the basis of collision theory. Rate `= Z_(AB) e^(-E_(a)//RT)` Which of the following statements is not correct for the above expression?A. Z is collision frequency andis equal to number of collisions per second per unit volume of the reaction mixtureB. `e^(E_(a)//RT)` is the fraction of molecules with kinetic energy equal to or greater than `E_(a)`C. `E_(a)` is activation energy of the reaction.D. All the molecules which collide with one other are effective collisions. |
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Answer» Correct Answer - D Only those collisions in which molecules collide with sufficient energy, called threshold energy and proper orientation are effective collisions. Rest of the molecules collide and bounce back. |
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