A) \[HClO<HCl{{O}_{2}}<HCl{{O}_{3}}<HCl{{O}_{4}}\]
B) \[HCl{{O}_{4}}<HClO<HCl{{O}_{2}}<HCl{{O}_{3}}\]
C) \[HCl{{O}_{2}}<HCl{{O}_{3}}<HCl{{O}_{4}}<HClO\]
D) \[HCl{{O}_{4}}<HCl{{O}_{3}}<HCl{{O}_{2}}<HClO\]
Correct Answer: A
Solution :
Correct order of acid strength\[\underset{+1}{\mathop{HClO}}\,<\underset{+3}{\mathop{HCl{{O}_{2}}}}\,<\underset{+5}{\mathop{HCl{{O}_{3}}}}\,<\underset{+7}{\mathop{HCl{{O}_{4}}}}\,\] \[\because \]Acid strength\[\propto \]oxidation number.
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