MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryChemical kineticsPrevious Year Questions

The correct difference between first and second order reactions is that (NEET 2018)

A.A first-order reaction can be catalyzed; a second-

B.The half-life of a first-order reaction does not✓ Correct

C.The rate of a first-order reaction does not depend

D.The rate of a first-order reaction does depend on

Explanation

For first order reaction, 1 2 0.693 t k , which is independent of initial concentration of reactant. For second order reaction, 1 0 2 1 t k A which depends on initial concentration of reactant.

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