The rate of the reaction,$CH_3COOC_2H_5 + NaOH \longrightarrow CH_3COONa + C_2H_5OH$ is given by the equation,$\text{rate} = k[CH_3COOC_2H_5][NaOH]$. If concentration is expressed in $mol \ L^{-1}$,the unit of $k$ is

  • A
    $mol \ L^{-1} \ s^{-1}$
  • B
    $L \ mol^{-1} \ s^{-1}$
  • C
    $s^{-1}$
  • D
    $mol^{-2} \ L^2 \ s^{-1}$

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