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9. Which response gives the correct coordination number and oxidation number of the transition
metel atom in (CO(NH3)2(H20),(2) "?
(a) CN. = 2; O.N. = +3
(b) C.N. = 3; ON = -1
(c) CN. = 4:0 N. = -2
(d) CN = 6:ON = 3
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Explanation:
The coordination number of the central atom/ion is determined by the number of sigma bond between the ligands and the central atom/ion i.e. the number of ligands donor atoms to which the metal is directly attached.
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