Chemical Kinetics Question 217

Question: The rate of reaction between two reactants A and B decreases by a factor of 4 if the concentration of reactant B is doubled. The order of this reaction with respect to reactant B is [CBSE PMT 2005]

Options:

A) - 1

B) - 2

C) 1

D) 2

Show Answer

Answer:

Correct Answer: B

Solution:

R=k,[B]n ; 14R=k[2B]n ; 4=(12)n ; 4=2n ; n=2 .



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