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  4. Chlorine reacts with hot and concentrated NaOH and produces compounds (X) and (Y). Compound (X) gives white precipitate with silver nitrate solution. The average bond order between Cl and O atoms in (Y) is .

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

NTA AbhyasNTA Abhyas 2022

Solution:

$3Cl_{2}+6NaOH \rightarrow 5NaCl+NaClO_{3}+3H_{2}O$
$NaCl+AgNO_{3} \rightarrow \underset{W h i t e \, p p t}{A g C l}+NaNO_{3}$
Y is $NaClO_{3} \rightarrow ClO_{3}^{-}$
Solution
Bond order $=1+\frac{\pi }{\sigma }$
$=1+\frac{2}{3}=\frac{5}{3}=1.67$