Page 45 - 6273

CONTROL TASKS

1. For the compound [Co(H 2O)(NH 3) 5]F 2:

a) determine the charge of the complex ion;

b) determine the oxidation state of the complexing agent;

c) determine its coordinating number;

d) name the ligands;

g) name the coordination complex;

e) write the equation of the reactions of its primary and secondary dissociations.

2. For the compound K 3[Fe(H 2O)(CN) 5]:

a) determine the charge of the complex ion;

b) determine the oxidation degree of the complexing agent;

c) determine its coordinating number;

d) name the ligands;
g) name the coordination complex;

e) write the equation of the reactions of its primary and secondary dissociations.
3. Write the chemical formulas of such compounds as lithium tetrachloroberyllium,

tetraamminediaqua chromium (III) nitrate, hexaamminecobalt (III) sulfate.

45