Give the coordination number and oxidation state of the central metal ion in each of coordination compound.

Question

a.[CoCl4(NH3)2]^-
b.Pt(en)2Cl2]^2+
c.K[Co(H2O)2(C2O4)2]
d.[Ru(H2O)2(NH3)2Cl2]Br

Answer 1

a. Coordination number: 6 (Co is bonded to 4 Cl and 2 NH3)
Oxidation state: +3

b. Coordination number: 6 (Pt is bonded to 2 en and 2 Cl)
Oxidation state: +2

c. Coordination number: 6 (Co is bonded to 2 H2O and 2 C2O4)
Oxidation state: +3

d. Coordination number: 6 (Ru is bonded to 2 H2O, 2 NH3, and 2 Cl)
Oxidation state: +3

Answer 2

Give the coordination number and oxidation state of the central metal ion in each of coordination compound.
a.[CoCl4(NH3)2]^-
b.Pt(en)2Cl2]^2+
c.Mg3[CrCl5Br]2
d.K[Co(H2O)2(C2O4)2]
e.[Ru(H2O)2(NH3)2Cl2]Br

Answer 3

a. Coordination number: 6 (Co is bonded to 4 Cl and 2 NH3)
Oxidation state: +3

b. Coordination number: 4 (Pt is bonded to 2 en and 2 Cl)
Oxidation state: +2

c. Coordination number: 6 (Cr is bonded to 5 Cl and 1 Br)
Oxidation state: +3

d. Coordination number: 6 (Co is bonded to 2 H2O and 2 C2O4)
Oxidation state: +3

e. Coordination number: 6 (Ru is bonded to 2 H2O, 2 NH3, and 2 Cl)
Oxidation state: +3