複選題

22. 已知: = - 0.15V; Cu + = - 0.77V;Hg → + 2e - ,E 0 = - 0.78V;SO2 + 2H2O →+ 4H+ + 2e - ,E 0 = - 0.17V,則 SO2 飽和溶液可 使下列哪些離子還原?
(A)
(B)
(C)
(D)
(E)

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統計: A(2), B(1), C(0), D(2), E(2) #2903425