General Principles of Metallurgy - Advanced Concepts
Q. What is the coordination number of the central metal ion in a complex with the formula [Co(NH3)6]Cl3?
A.2
B.4
C.6
D.8
Solution
The coordination number is determined by the number of ligands attached to the central metal ion. In this case, there are six NH3 ligands, giving a coordination number of 6.
Correct Answer: C — 6
Q. Which type of bond is primarily responsible for the formation of ionic compounds?
A.Covalent bond
B.Ionic bond
C.Metallic bond
D.Hydrogen bond
Solution
Ionic bonds are formed through the electrostatic attraction between positively and negatively charged ions.
