MCQ
Chlorine undergoes disproportionation in alkaline medium as shown below :

$ \text { a } \mathrm{Cl}_2(\mathrm{~g})+\mathrm{b} \mathrm{OH}^{-}(\mathrm{aq}) \rightarrow \mathrm{c} \mathrm{ClO}^{-}(\mathrm{aq})+\mathrm{d} \mathrm{Cl}^{-}(\mathrm{aq})  +\mathrm{e} \mathrm{H}_2 \mathrm{O}(l)$

The values of $a, \ b,\  c$ and $d$ in a balanced redox reaction are respectively :

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

Answer

Correct option: A.
$1$, $2$, $1$ and  $1$
a
$\Rightarrow \mathrm{Cl}_2+2 \overline{\mathrm{O}} \mathrm{H} \longrightarrow \mathrm{Cl}^{-}+\mathrm{ClO}^{-}+\mathrm{H}_2 \mathrm{O}$

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