11th Class Chemistry Unit 12 Unit 12: Nitrogen and Sulfur MCQs with Answers

1.Despite being the most abundant gas in the Earth's atmosphere, nitrogen does not readily participate in combustion reactions because:

2.A student heats a solid ammonium salt with a solution of a strong alkali. The gas produced turns damp red litmus paper blue and has a characteristic pungent smell. The gas is:

3.The shape of ammonium is

4.In a catalytic converter, the conversion of nitrogen oxides (NOx) into nitrogen gas (N2) and oxygen gas (O2) is a process of:

5.PAN formation starts when_____ reacts with the hydrocarbon.

a NO
b NO2
c O3
d HO'

6.Nitrification is the process by which:

7.The most stable species in an acidic environment is:

a SO4²⁻
b SO2
c H2S
d S

8.Which gas is used in separating hard water from normal water?

9.The oxidation state of sulfur in H2SO4 is

10.The drug omeprazole contains_____ group:

11.Sulfur dioxide (SO2) produced from the combustion of sulfur can be further oxidized to sulfur trioxide (SO3) under specific conditions, such as in the presence of a:

12.Sulfur trioxide (SO3) is not directly dissolved in water to produce sulfuric acid in the Contact Process because this reaction is:

13.Nitrogen belongs to which group of periodic table?

14.Electro negativity of nitrogen is:

15.Ionic Radius of nitrogen N⁻³ is

a 173pm
b 121pm
c 156pm
d 171nm

16.Bond energy of nitrogen is

17.IUPAC name of ammonia is

18.Oxidation state of nitrogen in laughing gas is

19.Classical smog is

20.Relative atomic mass of sulfur is

21.Electronegativity of sulfur is

22.Common bonding exhibited by sulfur is:

23.Most common oxidation states of sulfur are

24.The ability to form large rings and long chains is called

25.Gypsum is used as a fertilizer which nutrient is delivered by gypsum:

26.Omeprazole is used for the treatment of:

27.Vapour pressure of sulfuric acid at room temperature

28.Viscosity of sulfuric acid is:

29.Molar mass of sulfuric acid is:

30.In laboratory sulfuric acid appears as:

31.When sulfuric acid reacts with table sugar black porous mass is obtained which is:

32.In contact process arsenic purifier uses _____ for absorption of arsenic oxide:

33.which of the following is used as raw material in contact process:

34.in sulfuric acid how many oxygen are attached to sulfur:

35.In sulfuric acid no of oxygen and sulfur bonds are:

a 2
b 4
c 6
d 8

36.Main fuel in gun powder is:

Unit 12: Unit 12: Nitrogen and Sulfur — Mcqs