1. Inorganic Chemistry Practical II
The Second Course By
Lecturer Sinan Midhat Al-Bayati
Asst. Prof. Anaam Majeed Rasheed
Asst. Lecturer Al-Ameen Bariz Omar
Supervised by:
Dr. Rehab AbdulMahdi Al-Hassan

2. The Fourth Group (IV A) The Elements Symbol Electronic Structure
Carbon 6C
2[He] 2s2 2p2
Silicon
14Si
10[Ne] 3s2 3p2
Germanium
32Ge
18[Ar] 3d10 4s2 4p2
Tin
50Sn
36[Kr] 4d10 5s2 5p2
Lead
82Pb
54[Xe] 4f14 5d106s2 6p2

3. Questions:

4. Experiment No. (1) The Process of Purifying Water from Pollutants:

6. Questions: Give the properties of char coal.
Give the reason why we use:
Sand.
NH4OH
Color solution
Write the equation of this experiment.
Explain the physical effect and chemical reaction of this experiment.
Why char coal is used in water purification?