Multiple Choice
An ion that contains a central metal ion bound to one or more ligands is called a ________.
24. Transition Metals and Coordination Compounds
Ligands
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Determine the charge of the metal cation in the given adduct product below:
A
+1
B
0
C
–2
D
+3
E
+2
Verified step by step guidance1
Identify the metal cation in the adduct product. In this case, the metal is cobalt (Co).
Determine the oxidation state of the ligands attached to the metal. Ammonia (NH3) is a neutral ligand, contributing 0 to the charge.
Count the number of ligands attached to the metal. There are six ammonia ligands, each contributing 0 to the overall charge.
Consider the overall charge of the complex. The complex is shown as having a +2 charge.
Calculate the charge of the metal cation by considering the overall charge of the complex and the contribution of the ligands. Since the ligands contribute 0, the charge of the metal cation must be +2 to balance the overall charge of the complex.
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