How do you balance $C l_{2} (g) + H_{2} O (l) \to H C l O (g) + H C l (a q)$ $Cl_2(g) + H_2O(l) rarr HClO(g) + HCl(aq)$ ?

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Answer 1 · 2016-11-04T17:33:45

Is this not already balanced?:

$C l_{2} (g) + H_{2} O (l) \to H C l O (a q) + H C l (a q)$ $Cl_2(g) + H_2O(l) rarr HClO(aq) + HCl(aq)$

This is a disproportionation reaction, in which chlorine gas is oxidized and reduced:

$\frac{1}{2} C l_{2} (g) + H_{2} O (l) \to C l O^{-} + 2 H^{+} + e^{-}$ $1/2Cl_2(g) +H_2O(l) rarr ClO^(-) +2H^+ +e^-$ $i .$ $i.$

$\frac{1}{2} C l_{2} (g) + e^{-} \to C l^{-}$ $1/2Cl_2(g) +e^(-) rarr Cl^(-)$ $i i .$ $ii.$

Overall $i . + i i . =$ $i.+ii.=$ :

$C l_{2} (g) + H_{2} O (l) \to C l O^{-} + C l^{-} + 2 H^{+}$ $Cl_2(g) +H_2O(l) rarr ClO^(-)+Cl^(-) +2H^+$

OR

$C l_{2} (g) + H_{2} O (l) \to C l O H (a q) + H C l (a q)$ $Cl_2(g) +H_2O(l) rarr ClOH(aq)+HCl(aq)$

How do you balance Cl_2(g) + H_2O(l) rarr HClO(g) + HCl(aq)Cl2(g)+H2O(l)→HClO(g)+HCl(aq)Cl_2(g) + H_2O(l) rarr HClO(g) + HCl(aq)?