교과서 질문
Identify the oxidation state of the metal in each of the following compounds.
(a) Co(NH3)3(NO2)3
(b) [Ag(NH3)2]NO3
(c) K3[Cr(C2O4)2Cl2]
(d) Cs[CuCl2]
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24. Transition Metals and Coordination Compounds
Ligands
객관식
A coordination compound consists of _________.
A
a metal ion and counterions
B
ligands bound to counterions
C
a complex ion and counterions
D
a metal ion bound to one or more ligands
E
two metal ions bound to ligands
검증된 단계별 안내1
Understand the definition of a coordination compound: It is a compound that consists of a central metal atom or ion bonded to surrounding molecules or anions, known as ligands.
Identify the components of a coordination compound: It typically includes a complex ion and counterions. The complex ion consists of the metal ion and the ligands.
Recognize that ligands are molecules or ions that donate a pair of electrons to the metal ion, forming a coordinate covalent bond.
Differentiate between the complex ion and counterions: The complex ion is the metal ion with its attached ligands, while counterions are ions that balance the charge of the complex ion.
Conclude that a coordination compound is made up of a complex ion (metal ion + ligands) and counterions, which is the correct answer to the problem.
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