For the reaction $2A + 2B \rightarrow 2C + D$,the rate law is expressed as $\text{rate} = k[A]^2[B]$. Calculate the rate constant if the rate of reaction is $0.24 \ mol \ dm^{-3} \ s^{-1}$ where $[A] = 0.5 \ M$ and $[B] = 0.2 \ M$.

  • A
    $4.8 \ mol^{-2} \ dm^6 \ s^{-1}$
  • B
    $9.6 \ mol^{-2} \ dm^6 \ s^{-1}$
  • C
    $12.1 \ mol^{-2} \ dm^6 \ s^{-1}$
  • D
    $14.4 \ mol^{-2} \ dm^6 \ s^{-1}$

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