Chemical Kinetics Question 50

Question: The rate of the reaction, $ 3A+2B\to $ Products is given by the rate expression: Rate k = [A] $ {{[B]}^{2}} $ . If A is taken in excess, the order of the reaction would be

Options:

A) 3

B) 2

C) 1

D) 5

Show Answer

Answer:

Correct Answer: B

Solution:

[b] When A is taken in excess, its concentration will become constant; the rate law may, therefore, be given as Rate= $ k’{{[B]}^{2}} $ order =2.



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