Which of the following complexes formed by Cu^2+ ions is most stable?
Which of the following complexes formed by Cu2+ ions is most stable?
(i) Cu2+ + 4NH3 → [Cu(NH3)4]2+, logK = 11.6
(ii) Cu2+ + 4CN– → [Cu(CN)4]2–, logK = 27.3
(iii) Cu2+ + 2en → [Cu(en)2]2+, logK = 15.4
(iv) Cu2+ + 4H2O → [Cu(H2O)4]2+, logK = 8.9
4 views