The correct difference between first and second order reactions is that

1. A. A first-order reaction can catalyzed; a second-order reaction cannot be catalyzed
2. B. The half-life of a first-order reaction does not depend on [A] 0 ; the half-life of a second-order reaction does depend on [A] 0
3. C. The rate of a first-order reaction does not depend on reactant concentrations; the rate of a second-order reaction does depend on reactant concentrations
4. D. The rate of a first-order reaction does depend on reactant concentrations; the rate of a second-order reaction does not depend on reactant concentrations

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