The conjugate acid of CIO⁻ is HClO. Hence, Option (D) is correct.
What is Conjugate Acid - Base concept ?
A conjugate acid, within the Brønsted–Lowry acid–base theory, is a chemical compound formed when an acid donates a proton to a base.
In other words, it is a base with a hydrogen ion added to it, as in the reverse reaction it loses a hydrogen ion.
Therefore, The conjugate acid of CIO⁻ is HClO. Hence, Option (D) is correct.
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