ChemistryHard73×since 2002Q1281Three reactions involving H2PO4−H_2PO_4^−H2PO4− are given below : (i) H₃PO₄ + H₂O →\to→ H₃O⁺ + H2PO4−H_2PO_4^−H2PO4− (ii) H2PO4−H_2PO_4^−H2PO4− + H₂O →\to→ HPO42−HPO_4^{2−}HPO42− + H₃O⁺ (iii) H2PO4−H_2PO_4^−H2PO4− + OH⁻ →\to→H₃PO₄ + O²⁻ In which of the above does H2PO4−H_2PO_4^−H2PO4− act as an acid?A(ii) onlyB(i) and (ii)C(iii) onlyD(i) onlyCheck answerSkip