HOCl(aq) is the molecule that kills bacteria when chlorine is added to water.
The following reaction produces this molecule.
Cl$_2$(g) + H$_2$O(l) $\rightleftharpoons$ HOCl(aq) + H$^+$(aq) + Cl$^-$(aq)
Which statement about this reaction is correct?
Chlorine is both oxidised and reduced.
2 )
Chlorine is oxidised but not reduced.
3 )
Hydrogen is both oxidised and reduced.
4 )
Hydrogen is oxidised but not reduced.
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