Chemical Kinetics Question 155

Question: The conversion of $ A\to B $ follows second order kinetics. Doubling the concentration of $ A $ will increase the rate of formation of $ B $ by a factor [MP PET 1999; DCE 1999; KCET 2001; BCECE 2005]

Options:

A) $ 1/4 $

B) 2

C) $ 1/2 $

D) 4

Show Answer

Answer:

Correct Answer: D

Solution:

$ r=k{{(A)}^{2}} $ , when concentration is doubled

$ r=k{{(2A)}^{2}}=k,4{{(A)}^{2}} $ the rate becomes 4 times.



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