Each of the following cases, identify the order with respect to the reactant A.

Question

Each of the following cases, identify the order with respect to the reactant A. The half-life of A decreases as the initial concentration of A decreases A threefold increase in the initial concentration of A leads to a ninefold increases in the initial rate. A threefold increase in the initial concentration of A leads to a 1.73-fold increases in the initial rate. The time required for [A] to decrease from [A]_0 to [A]_0/2 is equal to the time required for [A] to decrease from [A]_0/2 to [A]_0/4. The rate of decrease of [A] is a constant.

Explanation / Answer

1) 0 ( zero order) because for zero order half life decreases with decrease in the concentration of reactant.

2) 2

3) 1.31

4) 1

5) 0 ( zero order)

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