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Nitrogen and ammonia

Total questions: 12

Worksheet time: 4mins

Name
Class
Date
1.

Nitrogen gas was discovered by

a)

Daniel Rutherford

b)

Ernest Rutherford

c)

Lavoisier

d)

Joseph Priestley

2.

The total number of electrons that take part in forming the bond in N2 is

a)

2

b)

4

c)

6

d)

8

3.

Nitrogen is inert because

a)

It has small size

b)

It is highly electronegative

c)

It has high dissociation energy

d)

It has a stable configuration.

4.

Laughing gas is

a)

N2O

b)

NO2

c)

N2O3

d)

NO

5.

The compound which has incomplete octet of the nitrogen atom is

a)

NH4NO3

b)

N2O

c)

N2O5

d)

NO

6.

Which of the following is paramagnetic molecule

a)

N2O4

b)

N2O3

c)

NO

d)

NO2

7.

Prof. Dr. Frit Haber won Noble prize in

a)

1908

b)

1913

c)

1931

d)

1918

8.

In the above reaction, the formation of ammonia is favoured by

a)

Increase in pressure and decrease in temperature

b)

Decrease in pressure and increase in temperature

c)

Increase in pressure and increase in temperature

d)

Decrease in temperature and decrease in pressure

9.

Ammonia can be dried by passing over

a)

CaCl2

b)

CaO

c)

P2O5

d)

H2SO4

10.

Which one is not a property of ammonia?

a)

It is lighter than air.

b)

It is soluble in water.

c)

It is a supporter of combustion.

d)

It is a basic gas.

11.

Oxidation of ammonia yields

a)

NO2

b)

N2O

c)

NO

d)

N2O5

12.

On passing ammonia over heated copper oxide one of the products formed is

a)

NO

b)

N2

c)

CuH2

d)

N2O