Chlorine undergoes disproportionation in alkaline medium as shown below:
$a Cl_{2(g)} + b OH^{-}_{(aq)} \rightarrow c ClO^{-}_{(aq)} + d Cl^{-}_{(aq)} + e H_2O_{(l)}$
The values of $a, b, c$ and $d$ in a balanced redox reaction are respectively:

  • A
    $1, 2, 1$ and $1$
  • B
    $2, 2, 1$ and $3$
  • C
    $3, 4, 4$ and $2$
  • D
    $2, 4, 1$ and $3$

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