A) \[HOCl<HOClO<HOCl{{O}_{2}}<HOCl{{O}_{3}}\]
B) \[HOClO<HOCl<HOCl{{O}_{3}}<HOCl{{O}_{2}}\]
C) \[HOClO<HOCl<HOCl{{O}_{3}}<HOCl{{O}_{2}}\]
D) \[HOCl{{O}_{2}}<HOCl{{O}_{3}}<HOClO<HOCl\]
Correct Answer: D
Solution :
The acidic character of oxyacids increases with increase in oxidation number. Acidity of oxyacids of chlorine decreases in the following order. \[\overset{+7}{\mathop{HCl{{O}_{4}}}}\,>\overset{+5}{\mathop{HCl{{O}_{3}}}}\,>\overset{+3}{\mathop{HCl{{O}_{2}}}}\,>\overset{+1}{\mathop{HClO}}\,\] So relative acidic character increases.
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