• # 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) $HN{{O}_{3}}$

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