A) \[HPO_{3}^{2-},PO_{3}^{3-}\]
B) \[{{H}_{2}}PO_{4}^{-},HPO_{4}^{2-}\]
C) \[{{H}_{2}}PO_{4}^{-},{{H}_{3}}P{{O}_{4}}\]
D) \[{{H}_{2}}PO_{4}^{-},PO_{3}^{3-}\]
Correct Answer: D
Solution :
\[Aci{{d}_{1}}+Bas{{e}_{2}}Aci{{d}_{2}}+Bas{{e}_{1}}\] \[HPO_{3}^{2-}+{{H}_{2}}O{{H}_{3}}{{O}^{+}}+PO_{3}^{3-}\] \[{{H}_{2}}PO_{4}^{-}+{{H}_{2}}O{{H}_{3}}{{O}^{+}}+HPO_{4}^{2-}\] \[{{H}_{3}}P{{O}_{4}}+{{H}_{2}}O{{H}_{3}}{{O}^{+}}+{{H}_{2}}PO_{4}^{-}\]
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