The instantaneous rate for the reaction $2 A + B \rightarrow C + 3 D$ is given by:

  • A
    $\frac{1}{3} \frac{d[D]}{dt}$
  • B
    $-\frac{1}{2} \frac{d[A]}{dt}$
  • C
    $-\frac{d[A]}{dt}$
  • D
    $-\frac{d[B]}{dt}$

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