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IMFA

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following is NOT correct about intermolecular forces?

a)

It is the force between two or more molecules

b)

It is the force between two or more atoms in a molecule

c)

It is responsible for the properties of substances

d)

It explains why a substance is solid, liquid or gas in room temperature.

2.

What BEST describes a hydrogen bond?

a)

H is bonded to nitrogen, oxygen, and fluorine.

b)

All molecules that contains hydrogen

c)

It has van der Waals force

d)

It has weak attractive forces between atoms and molecules

3.

All of the following have van der Waals force EXCEPT

a)

Dipole-dipole

b)

London force

c)

Dispersion force

d)

Hydrogen bond

4.

Which London Dispersion force is induced when a non-polar molecule becomes a dipole because of an approach of an ion?

a)

Ion-induced dipole

b)

Dipole-induced dipole

c)

Hydrogen-induced dipole

d)

None of the choices

5.

It is defined as the fluid's resistance to flow.

a)

Boiling point

b)

Surface tension

c)

Solubility

d)

Viscosity

6.

Melting point is the temperature at which a

a)

solid turns liquid

b)

liquid turns gas

c)

gas turns solid

d)

liquid turns solid

7.

How would you describe the surface tension of a molecule having a weak IMFA?

a)

average surface tension

b)

higher surface tension

c)

lower surface tension

d)

cannot be determined

8.

Compounds with strong IMFA are usually (blank) at room temperature.

a)

solid or liquid

b)

solid

c)

liquid

d)

gas

9.

Between HF and HBr, which will have a stronger IMFA?

a)

HF

b)

HBr

c)

H2O

d)

Cannot be determined

10.

Among the choices, which of the following will have the weakest IMFA?

a)

H2O

b)

NaCl

c)

CH4

d)

HCl