Question

In the equilibrium HClO₄+H₂O ⇌ H₂O⁺+$ClO_{4}^{-}$.

• A. $HClO_{4}$ is the conjugate acid of $H_{2}O$
• B. $H_{2}O$ is the conjugate acid of $H_{3}O^{+}$
• C. $H_{3}O^{+}$is the conjugate base of $H_{2}O$
• D. $ClO_{4}^{-}$ is the conjugate base of $HClO_{4}$

Answer 1

Answer: (D)

$ClO_{4}^{-}$ is the conjugate base of $HClO_{4}$

Answer 2

$HClO_{4}$is a acid and their conjugate base is $ClO_{4}^{-}$.