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KCET 2012 Chemistry Solved Paper

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Question : 17

Total: 60

For a reaction : A+B→ Products,the rate of the reaction at various concentrations are given below :

Expt No	[A]	[B]	rate (moldm−3s−1)
1	0.2	0.2	2
2	0.2	0.4	4
3	0.6	0.4	36

The rate law for the above reaction is

r=K[A]2[B]
r=K[A][B]2
r=K[A]3[B]
r=K[A]2[B]2

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