The order of reaction may be determined by which method?
Describe this method.
The order of reaction may be determined by the initial-rates method. The initial rate is measured for several experiments, using different concentrations of reactants. One concentration is changed whilst the others are fixed, so that a clear and systematic set of results is obtained.
The order of reaction may be determined from a single experiment. Explain how this is done.
Draw a concentration-time graph for this experiment. The shape of the graph, indicates the order of reaction (see fig12.7 pg 109 of Chemistry 2 for shapes). The gradient of a tangent drawn at a;point is the rate of reaction at that point.