The correct difference between first and second order reactions is that ……………………
A. A first order reaction can be catalysed; a second order reaction cannot be catalysed.
B. The half life of a first order reaction does not depend on [A0]; the half-life of a second order reaction does depend on [A0].
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.
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.
Answer:B
The correct difference between first and second order reactions is that ……………………
A. A first order reaction can be catalysed; a second order reaction cannot be catalysed. B. The half life of a first order reaction does not depend on [A0]; the half-life of a second order reaction does depend on [A0]. 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. 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.