Chemistry 11 Chapter 4 Liquids and Solids Test 13

Chemistry 11 Chapter 4
Liquids and Solids
Test 13

1. Van Der Waals forces are of ______ types?

a) 4
b) 1
c) 3
d) 2

2. The existance of matter in different forms is due to the?

a) None of these
b) Hydrogen bonding
c) Repulsive force
d) Interacting forces

3. The example of Dipole-Dipole Force?

a) None of these
b) NaCl
c) CHCl₃
d) NH₃

4. In a molecule of HCl there is _____bond?

a) Metallic
b) Covalent
c) Coordinate covalent
d) Ionic

5. The positive end of one molecule attracts the negative end of the other molecule and these electrostatic forces of attraction are called?

a) Ion-Dipole Forces
b) Dipole-Dipole Forces
c) London dispersion forces
d) Dipole-induced dipole forces

6. The positive end of a polar molecules attracts the mobile electrons of near-by non-polar molecule. This type of forces are called?

a) London dispersion forces
b) Ion-Dipole Forces
c) Dipole-Dipole Forces
d) Dipole-induced dipole forces

7. The forces of attraction between the molecule is ______ than the forces of attraction between the atoms within the molecule?

a) None of these
b) Less
c) Stronger
d) Weaker

8. Greater the strength of Dipole-Dipole Forces ______ the values of thermodynamic properties?

a) Smaller
b) Larger
c) None of these
d) Greater

9. The example of non-polar molecules are?

a) Helium
b) Chlorine
c) Methane
d) All of these

10. The strength of Dipole-Dipole Forces depends upon?a) electronegativity difference
b) distance between the molecules
c) both
d) none of these

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