Chemical Kinetics Question 267

Question: A following mechanism has been proposed for a reaction

$ 2A+B\to D+E $ $ A+B\to C+D( slow ) $ $ A+C\to E( fast ) $ The rate law expression for the reaction is:

Options:

A) $ r=k{{[ A ]}^{2}}[ B ] $

B) $ r=k[ A ][ B ] $

C) $ r=k{{[ A ]}^{2}} $

D) $ r=k[ A ][ C ] $

Show Answer

Answer:

Correct Answer: B

Solution:

[b] From slow reaction Rate =k[A][B]



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