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Question

Which of the following statement is true for the reaction, H2+Br22HBr. The rate law is dxdt=k[H2][Br2]1/2:

A
order of reaction is 1.5
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B
molecularity of the reaction is 2
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C
by increasing the concentration of Br2 four times the rate of reaction is doubled
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D
all the above are correct
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Solution

The correct option is D all the above are correct
All the given statements are correct.
Order of reaction =1+12=1.5
Molecularity=1+1=2
dxdt[Br]1/2
So, reaction rate will be doubled if concentration of Br2 is increased by 4 times.

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