• # question_answer Which is the strongest of the following acids [JIPMER 1999] A) $HCl{{O}_{4}}$ B) ${{H}_{2}}S{{O}_{4}}$ C) $HCl$ D) $HN{{O}_{3}}$

Correct Answer: A

Solution :

$HCl{{O}_{4}}>HCl>{{H}_{2}}S{{O}_{4}}>HN{{O}_{3}}$ Decreasing order of acidic character.

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