What is the conjugate base of chloric acid?

1. $\mathrm{ClO}_4^{-}$
2. $\mathrm{ClO}^{-}$
3. $\mathrm{ClO}_2^{-}$
4. $\mathrm{ClO}_3^{-}$

Asked in: AP EAMCET 2024 (19 May Shift 2)

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