Engineering
Chemistry
Methods of Determination of Order of Reaction
Question

If 0.01% of a substance undergoing decomposition is consumed in 1 millisecond when the concentration is 0.02 M and in 0.25 millisecond when the concentration is 0.04 M, what is the order of the reaction?

2

1

3

zero

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Solution

0.02 × 0.0110010−3=K 0.02n

0.04 × 0.011000.25  ×  10−3=K 0.04n

2n = 8
n = 3