The conjugate acid and base of HPO2-4 respectively are

Question

The conjugate acid and base of HPO2-4 respectively are (A) PO3-4 and H2 PO-4 (B) H2 PO-4 and PO3-4 (C) H3 PO4 and PO3-4 (D) H 2 PO 4-and H 2 PO 4

Tardigrade Admin · Accepted Answer

underset textAcidHPO 42-+ H + longrightarrow underset textConjugate basePO 43- underset textAcidHPO 42-+ H + longrightarrow underset textConjugate baseH2PO 43-

Q. The conjugate acid and base of $H P O_{4}^{2 -}$ respectively are

$P O_{4}^{3 -}$ and $H_2 PO^{-}_{4}}

$H_{2} P O_{4}^{-}$ and $P O_{4}^{3 -}$

$H_{3} P O_{4}$ and $P O_{4}^{3 -}$

$H_{2} P O_{4}^{-}$ and $H_{2} P O_{4}$

$Acid H P O_{4}^{2 -} + H^{+} ⟶ Conjugate base P O_{4}^{3 -}$ $Acid H P O_{4}^{2 -} + H^{+} ⟶ Conjugate base H_{2} P O_{4}^{3 -}$

Q. The conjugate acid and base of HPO42−​ respectively are

PO43−​ and $H_2 PO^{-}_{4}}

H2​PO4−​ and PO43−​

H3​PO4​ and PO43−​

H2​PO4−​and H2​PO4​