# The number of Cl=O bonds in perchloric acid is,

Question:

The number of $\mathrm{Cl}=\mathrm{O}$ bonds in perchloric acid is, "________________"

Solution:

(3)

The structure of perchloric acid is

The number $\mathrm{Cl}=\mathrm{O}$ bond in $\mathrm{HClO}_{4}$ is 3 .