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During the kinetic study of the reaction, 2 ~A+ B → C+ D, following results were obtained … Based on the above data which one of the following is…

NEET UG 2010 — Chemistry Physical Chemistry

2010mcqmedium

During the kinetic study of the reaction, 2 A+B→C+D2 \mathrm{~A}+\mathrm{B} \rightarrow \mathrm{C}+\mathrm{D}2 A+B→C+D, following results were obtained  Run [A]/mol L−1[B]/mol L−1Initial rate offormation ofD/mol L−1 min−1 I 0.10.16.0×10−3 II 0.30.27.2×10−2 III 0.30.42.88×10−1 IV 0.40.12.40×10−2\begin{array}{|c|c|c|c|} \hline \text { Run } & [A] / \mathrm{mol~} \mathrm{L}^{-1} & [B] / \mathrm{mol~} \mathrm{L}^{-1} & \begin{array}{cc} \text{Initial rate of} \\ \text{formation of} \\ D / \mathrm{mol~} \mathrm{L}^{-1} \mathrm{~min}^{-1} \end{array} \\ \hline \text { I } & 0.1 & 0.1 & 6.0 \times 10^{-3} \\ \hline \text { II } & 0.3 & 0.2 & 7.2 \times 10^{-2} \\ \hline \text { III } & 0.3 & 0.4 & 2.88 \times 10^{-1} \\ \hline \text { IV } & 0.4 & 0.1 & 2.40 \times 10^{-2} \\ \hline \end{array} Run  I  II  III  IV ​[A]/mol L−10.10.30.30.4​[B]/mol L−10.10.20.40.1​Initial rate offormation ofD/mol L−1 min−1​6.0×10−37.2×10−22.88×10−12.40×10−2​​ Based on the above data which one of the following is correct?

Official previous-year question

Held on 30 Apr 2010 · Verified 9 Jul 2026.

Options

  1. A

    rate =k[A]2[ B]=\mathrm{k}[\mathrm{A}]^2[\mathrm{~B}]=k[A]2[ B]

  2. B

    rate =k[A][B]=k[A][B]=k[A][B]

  3. C

    rate =k[A]2[ B]2=\mathrm{k}[\mathrm{A}]^2[\mathrm{~B}]^2=k[A]2[ B]2

  4. D

    rate =k[A][B]2=\mathrm{k}[\mathrm{A}][\mathrm{B}]^2=k[A][B]2

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