Determine what kinds of intermolecular attractive forces


1. Calculate if the following molecules are polar or non-polar.

POCl, HBr,  SnCl4 , CH2O, PBr3 , BCl3

2. Discuss which is expected to have the higher boiling point :

C8H18 or C4H10? WHY?

3. Determine what kinds  of intermolecular attractive forces (dipole - dipole, London, hydrogen bonding ) are present in the following substances:

PCl3, HF, CS2 , CCl4

4. Explain what kind of forces exists between the particles in:

a. molecular solids

b. ionic solids

c. covalent network solids

5. Elemental Boron is very hard, does not conduct electricity well, and has a melting point of about 2250o C. What kind of solid is Boron?

 

6. Discuss how does the valence bond theory explain electron sharing between atoms in a covalent bond?

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Chemistry: Determine what kinds of intermolecular attractive forces
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