Q. Which one is the anhydride of $HClO_{4}$?
A) $ClO_{2}$
B) $Cl_{2}O_{7}$
C) $Cl_{2}O$
D) $Cl_{2}O_{6}$
Explanation
(b)
$2HClO_{4} \rightarrow H_{2}O + Cl_{2}O_{7}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.