Give name for the ion  $\text{C}l{\text{O}}_4^{-}$

The chemical formula of perchloric acid is $\text{HC}l{\text{O}}_4$.

It will undergo ionization in water forms per chlorate ion $\text{C}l{\text{O}}_4^{-}$ and hydronium ion ${\text{H}}_3{\text{O}}^{+}$   in solution.