MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryChemical kineticsTheory of Bimolecular Gaseous Reactions
What is the rate of reaction for a bimolecular elementary reaction?
A.ZABe–Ea/RT✓ Correct
B.ZABeEa/RT
C.–ZABe-Ea/RT
D.–ZABeEa/RT
Explanation
The rate of reaction is equal to the product of collision frequency of reactants and the fraction of molecules whose energies are equal to or greater than that of the energy of activation. Where ZAB represents collision frequency of reactants, A and B and e–Ea/RT represents a fraction of molecules with energies equal to or greater than E.
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