• # question_answer Which of the following is anhydride of perchloric acid [CPMT 2004] A) $C{{l}_{2}}{{O}_{7}}$ B) $C{{l}_{2}}{{O}_{5}}$ C) $C{{l}_{2}}{{O}_{3}}$ D) $HClO$

Chlorine heptachlor ide $(C{{l}_{2}}{{O}_{7}})$ is the anhydride of perchloric acid. $2HCl{{O}_{4}}\xrightarrow{\Delta }C{{l}_{2}}{{O}_{7}}+{{H}_{2}}O$