24. Transition Metals and Coordination Compounds

Correctly label all the components of the coordination complex: [Mn(NH₃)₄Cl₂]Br.

Which of the following statements is/are true about the coordination complex of: Na₂[SnCl₆].

I) The coordination complex contains 8 ligands.
II) The metal cation of the complex ion has an overall charge of +6.
III) The sodium ion represents the counterion.
IV) The complex ion has an overall charge of –2.

Use the periodic table to give the electron configuration for each of the following atoms and ions. 

(c) Co(V) in CoO₄^3–

(d) Co(IV) in CoF₆^2–

What is the formula, including the charge, for each of the following complexes?

(a) An iron(III) complex with six water ligands

(b) A nickel(II) complex with two ethylenediamine and two bromide ligands

(c) A platinum(II) complex with two chloride and two ammonia ligands