For the reaction $2NO_2 + F_2 \to 2NO_2F$,the following mechanism has been provided:
$NO_2 + F_2 \xrightarrow{slow} NO_2F + F$
$NO_2 + F \xrightarrow{fast} NO_2F$
Thus,the rate expression of the above reaction can be written as:

  • A
    $r = K [NO_2][F_2]$
  • B
    $r = K [NO_2]$
  • C
    $r = K [NO_2]^2[F_2]$
  • D
    $r = K [F_2]$

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