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Questions  

Taking the reaction X+2Yproducts to be of second order, which of the following is/are the rate law expression/s for the reaction

1)dxdt=KXy

II) dxdt=KXy2

III)dxdt=KX2

IV)dxdt=KX+Ky2

Then the correct answers can be

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By Expert Faculty of Sri Chaitanya
a
I only
b
I and III only
c
I and II only
d
I and IV only

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detailed solution

Correct option is B

X+2Yproduct

According law of mass action (or) rate law expression

r=KX1Y2

dxdt=kXy2

According to given 2nd order reaction based on this concept

r=KX1Y1

dxdt=kX1y1

moderate
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