Chlorine reacts with hot and concentrated NaOH and produces compounds (X) and ( Y ). Compound ( X ) gives white precipitate with silver nitrate…

Chlorine reacts with hot and concentrated NaOH and produces compounds (X) and $\displaystyle (\mathrm{Y})$. Compound $\displaystyle (\mathrm{X})$ gives white precipitate with silver nitrate solution. The average bond order between Cl and O atoms in $\displaystyle (\mathrm{Y})$ is \_\_\_\_.