Three reactions involving H2PO4^– are given below:
Three reactions involving H2PO4– are given below:
(i) H3PO4 + H2O H3O+ + H2PO4–
(ii) H2PO4– + H2OHPO42– + H3O+
(iii) H2PO4– + OH–H3PO4 + O2–
In which of the above does H2PO4– act as an acid?
(a) (i) only
(b) (ii) only
(c) (i) and (ii)
(d) (iii) only
5 views