JEE Main 2004Annual, Paper 1ChemistryEasyEquilibrium123× since 2002The conjugate base of H₂PO₄⁻ is :AOption A. PO43−PO_4^{3-}PO43−BOption B. HPO42−HPO_4^{2-}HPO42−COption C. H₃PO₄DOption D. P₂O₅CheckSkip · show solution
