The rate equation for the reaction 2A+B C is found to be Rate =k[A][B]. The correct statement in relation to this reaction is that [Jamia Millia Islamia 2007]

JEE Main Chemistry question

The rate equation for the reaction is found to be Rate . The correct statement in relation to this reaction is that [Jamia Millia Islamia 2007]

(A)Unit of must be
(B) is constant
(C)Rate of formation of C is half the rate of disappearance of ACorrect
(D)Value of is independent of the initial concentration of A and B

Answer: (C)

Solution

Since rate is second order overall, has units , not (ruling out A); for a second order reaction depends on concentration, so it is not constant (ruling out B). From the stoichiometry , rate ,

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Question ID VK-144314