For the reaction: $H_{2} + I_{2} \longrightarrow 2 HI$,the differential rate law is

  • A
    $-\frac{d[H_{2}]}{dt} = -\frac{d[I_{2}]}{dt} = 2 \frac{d[HI]}{dt}$
  • B
    $-\frac{d[H_{2}]}{dt} = -\frac{d[I_{2}]}{dt} = \frac{1}{2} \frac{d[HI]}{dt}$
  • C
    $-\frac{d[H_{2}]}{dt} = -\frac{d[I_{2}]}{dt} = \frac{d[HI]}{dt}$
  • D
    $-\frac{d[H_{2}]}{dt} = -\frac{d[I_{2}]}{dt} = \frac{1}{4} \frac{d[HI]}{dt}$

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