For the reaction $HSO_4^- + OH^- \to SO_4^{2-} + H_2O$,which statement is correct regarding the conjugate acid-base pair?

  • A
    $HSO_4^-$ is the conjugate acid of the base $SO_4^{2-}$
  • B
    $HSO_4^-$ is the conjugate base of the acid $SO_4^{2-}$
  • C
    $SO_4^{2-}$ is the conjugate acid of the base $HSO_4^-$
  • D
    None of these

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