Consider the following coordination compound in which M is a metal and L1, L2, and L3 are ligands.

Draw the structure of the following complexes. What are the oxidation state, coordination number, and coordination geometry of the metal in each?

(a) Pt(en)2

Draw the structure of the following complexes. What are the oxidation state, coordination number, and coordination geometry of the metal in each?

(b) [Co(H2O)5Cl]SO4]

(a) Identify the Lewis acid and the Lewis base in the reaction of ethylenediamine (H2NCH2CH2NH2) with Ni2+ to form [Ni(en)3]2+.

(b) Identify the ligands and donor atoms.

(c) Give the coordination number and geometry of the metal in the complex.

Which of the following geometries for the complex ion [Co(en)(H₂O)₃]²⁺ are possible?

What is the coordination number of the metal in each of the following complexes?

(d) [ZrF8]4-

(e) [Fe(EDTA)(H2O)]-

What is the coordination number of the metal in each of the following complexes?

(a) AgCl2-

(b) [Cr(H2O)5Cl]2+

(c) [Co(NCS)4]2-

What is the Lewis base in the reaction of oxalate with the mangenese ion to form [Mn(C2O4)3]2-? What is the oxidation state of Mn and the coordination number of the complex?  

(a) Lewis base is C2O42-; Mn oxidation number is +3; coordination number is 3.

(b) Lewis base is C2O42-; Mn oxidination number is +2; coordination number is 6.

(c) Lewis base is Mn2+; Mn oxidation number is +2; coordination number is 3.

(d) Lewis base is Mn4+; Mn oxidation number is +4; coordination number is 6.