Structure and Properties Assignment
1. Draw Lewis structures for the following [5 marks]
A) BrO 1B) IF4 1C) AlF63D) PI3
E) GeH4
i) Identify the type of hybridization present in any of the above examples
where applicable
ii) Identify which of the above examples contain co-ordinate covalent
bonding.
2. Determine the 3-D shapes of the following show your reasoning. [20
marks]
A) KrBr4
B) PF3Cl2
C) AsO3 3D) XeI2
11+
1E) ClO4
F) NO
G) PCl4
H) SeOCl4
1I) AsF6
J) BrCl3
3. Determine if each of the following will dissolve in hexane? Justify your
answer. [8 marks]
A) AsSF3
B) SeCl4
C) ClH2Br3
4. Explain why solid aluminum conducts electricity and road salt conducts in
solution and dry ice does not conduct at all. [6 marks]
5. Explain how beryllium, forms BeCl2 as well as BeCl4 2-. [4 marks]
6. For each of the following substances identify the different attractions
that must be overcome to vapourize the substances below into atomic gases.
[7 marks]
A) H2Se
B) P2
C) MgCl2
D) lead
E) SiO2
7. Indicate the type(s) of intermolecular forces that can possibly exist
between molecules of these compounds. Show your reasoning. [10 marks]
A) BCl3
B) CF4
D) CHCl3
E) H2O
8. Which of the following would have the highest expected boiling point?
Explain your answer. [6 marks]
A) CaSO4 or PCl3
B) Fe or C3H8
C) Silica or NaCl
9. Explain, using hybridization theory show: 1) the expected shape of carbon
dioxide . Show all pi and sigma bonds. 2) the expected shape of xenon
tetrafluoride. [4 marks]
10. Use the concept of formative charge to draw the most stable
configuration for each of the phosphate ion and the carbonate ion. [4 marks]