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States Of Matter Lecture 1

Total questions: 9

Worksheet time: 8mins

Name
Class
Date
1.

Which of the following will show the strongest Hydrogen bonding?

a)

2 water molecules

b)

2 ammonia molecules

c)

1 water and 1 ammonia molecule

d)

2 HF molecules

2.

Which intermolecular force of attraction operates between two molecules of SO2?

a)

Dipole-Induced Dipole Interaction

b)

Dipole-Dipole Interaction

c)

London Dispersion Forces

d)

Dipole-Dipole Interaction & London Dispersion Forces

3.

Dipole-Dipole forces act between molecules possessing permanent dipole moment. Ends of the dipole possess partial charges. This partial charge is

a)

more than unit electronic charge

b)

less than unit electronic charge

c)

equal to unit electronic charge

d)

double the unit electronic charge

4.

The interaction energy of London dispersion force is inversely proportional to the sixth power of the distance between two interacting molecules but their magnitude depends on

a)

charge of interacting particles

b)

density of interacting particles

c)

polarizability of interacting particles

d)

strength of permanent dipoles in the particles

5.

The intermolecular interaction that is dependent on the inverse cube of the distance between the molecules is

a)

ion-ion interaction

b)

ion-dipole interaction

c)

hydrogen bond

d)

dispersion force

6.

Liquids which are volatile have

a)

strong intermolecular forces of attraction

b)

weak intermolecular forces of attraction

c)

strong intramolecular forces of attraction

d)

weak intramolecular forces of attraction

7.

In case of inert gases, boiling point increases with ________ in atomic mass.

a)

decrease

b)

increase

c)

either increase or decrease

d)

neither increase or decrease

8.

The boiling point of H2O is ________ than that of NOF.

a)

more

b)

less

c)

equal to

d)

cannot predict.

9.

The pressure at the base of the column of liquid of length ‘l’ and held at an angle θ to the vertical is

a)

ρlg

b)

ρgl sinθ

c)

ρg cosθ

d)

ρgl cosθ