If the decomposition of hydrogen peroxide is a first-order reaction,its rate law equation can be represented as:

  • A
    $r = \frac{k}{[H_2O_2]}$
  • B
    $r = k[H_2O_2]$
  • C
    $r = k \frac{[H_2O][O_2]^{1/2}}{[H_2O_2]}$
  • D
    $r = k \frac{[H_2O_2]}{[H_2O_2][O_2]^{1/2}}$

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