During the kinetic study of the reaction, 2A + B → C + D, following results were obtained:Run[A]/mol L–1[B]/mol L–1Initial rate of formation of D/mol L–1 min–1I0.10.16.0 × 10–3II0.30.27.2 × 10–2III0.30.42.88 × 10–1IV0.40.12.40 × 10–2Based on the above data which one of the following is correct?

For Competitive Exams

During the kinetic study of the reaction, 2A + B → C + D, following results were obtained:

Run	[A]/mol L^–1	[B]/mol L^–1	Initial rate of formation of D/mol L^–1 min^–1
I	0.1	0.1	6.0 × 10^–3
II	0.3	0.2	7.2 × 10^–2
III	0.3	0.4	2.88 × 10^–1
IV	0.4	0.1	2.40 × 10^–2

Based on the above data which one of the following is correct?

rate = k[A]² [B]²

rate = k[A] [B]²

rate = k[A]² [B]

rate = k[A] [B]

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The time taken for 10% completion of a first order reaction is 20 min. Then, for 19% completion, the reaction will take

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