A. [MN(H2O)6]^2+
In [MN(H2O)6]^2+, the central metal ion is M and the ligands are six H2O molecules. The valence bond theory suggests that each H2O molecule can donate a lone pair of electrons from its oxygen atom to form a coordinate covalent bond with the metal ion. In this case, each H2O molecule donates one lone pair of electrons to M. Thus, there are six coordinate bonds between M and the H2O ligands.
B. [Pt(OH)4]^2-
In [Pt(OH)4]^2-, the central metal ion is Pt and the ligands are four OH- ions. The valence bond theory suggests that each OH- ion can donate a lone pair of electrons from its oxygen atom to form a coordinate covalent bond with the metal ion. In this case, each OH- ion donates one lone pair of electrons to Pt. Thus, there are four coordinate bonds between Pt and the OH- ligands.
C. Fe(CO)5
In Fe(CO)5, the central metal ion is Fe and the ligands are five CO molecules. The valence bond theory suggests that each CO molecule can donate a lone pair of electrons from its oxygen atom to form a coordinate covalent bond with the metal ion. In this case, each CO molecule donates one lone pair of electrons to Fe. Thus, there are five coordinate bonds between Fe and the CO ligands.
Use valence bond theory to show bonding in the following.
A. [MN(H2O)6]^2+
B. [Pt(OH)4]^2-
C.Fe(CO)5
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