CHEMICAL BONDING QUIZ XI Part I

1.What substances have intermolecular forces?
a.Metals
b.Ionic compounds
c.molecules
d.a and b
e.b and c
2.The following elements which have stronger London forces is ….
a.Ne
b.Ar
c.H2
d.He
e.Kr
3.The following substances which has the strongest London forces is ….
a.methane, CH4
b.ethane, CH3CH3
c.propane, CH3CH2CH3
d.butane, CH3CH2CH2CH3
e.isobutane, CH3CH(CH3)2
4.One of the following chemical bonds is very weak and is independent of the type of element involved. This chemical bond is ….
a.ionic
b.covalent
c.hydrogen
d.dipole-dipole
e.Van der Waals
5.At room temperature, F2 and Cl2 are gases, Br2 is a liquid, and I2 is a solid. This is because ....
a.polarity increases with molecular size.
b.dispersion interactions increase with molecular size.
c.dipole-dipole interactions increase with molecular size.
d.dipole-induced dipole interactions increase with molecular size.
e.dispersion interactions increase with molecular size and polarity increases with molecular size.
6.The following pairs which show dipole-dipole forces are ….
a.Cl2 and HCl
b.HF and H2
c.H2 and H2
d.HF and HF
e.HCl and HBr
7.Hydrogen bonding is an example of a ....
a.weak intermolecular force
b.strong intermolecular force
c.weak covalent force
d.strong ionic force
8.The following substances which displays intramolecular hydrogen bonding is ….
a.CH4
b.CH3OH
c.CH3COOH
d.CH3OCH3
e.CH3CH2CH3
9.The following molecules which shows the greatest effects of intermolecular forces is ….
a.CH4
b.H2S
c.NH3
d.HCl
e.H2O
10. The compound which has the highest boiling point is ....
a.HF
b.HCl
c.HBr
d.HI
e.HAt