JEE Mains Model Paper 4

Question : 75 of 90

Marks: +1, -0

Compounds ‘A’ and ‘B’ react according to the following chemical equation, A(g) + 2B(g) → 2C(g) concentration of either ‘A’ or ‘B’ were changed keeping theconcentrations of one of the reactants constant and rates were measured as a function of initial concentration. The following results were obtained. Choose the correct option for the rate equations for this reaction.

Experiment	1	2	3
Initial concentration of [A]∕molL−1	0.30	0.30	0.60
Initial concentration of [B]∕molL−1	0.30	0.60	0.30
Initial concentration of [C]∕molL−1s−1	0.10	0.40	0.20

Rate = k [A]2[B]
Rate = k [A][B]2
Rate = k [A][B]
Rate = k [A]2[B]2

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