Chemical Kinetics - Result Question 45

####45. Select the rate law that corresponds to data shown for the following reaction A+B products.

[1994]

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(a) rate=k[B]3

(b) rate =k[B]4

(c) rate =k[A][B]3

(d) rate =k[A]2[B]2

Topic 3: Theories of Rate of Reaction

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Solution:

  1. (a) From data 1 and 3, it is clear that keeping (B) const, When [A] is doubled, rate remains unaffected. Hence rate is independent of [A]. from 1 and 4, keeping [A] constant, when [B] is doubled, rate become 8 times. Hence rate [B]3.


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