2nd Year Chemistry Chapter 4 MCQs Group V A and IV A Elements

You can get the important 2nd Year Chemistry Chapter 4 MCQs Group V A and IV A Elements here. For entry test preparation, these MCQs are very important. The elements such as Nitrogen and Phosphorus are very important and in this chapter, their characteristics, preparation, and properties are studied. First, there is the electronic configuration of these group elements. They have specific characteristics. The important topic is the comparison of Oxygen and Sulphur. Then there are a procedure for to manufacture, properties, and uses of sulphuric acid that are discussed in this chapter. So, move towards the MCQs to prepare for the Entrance Test. There is a quiz below. So, solve it and check the answers.

2nd Year Chemistry Chapter 4 MCQs Group V A and IV A Elements

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2nd Year Chemistry Chapter 4

1 / 20

1. Orthophosphoric acid is:

A) Monobasic

B) Tetrabasic

C) Dibasic

D) Tribasic

2 / 20

2. In Pyrite burner, the gas produced is:

A) CO2

B) SO2

C) NO

D) SO3

3 / 20

3. Oxidation of NO in air produces:

A) N2O3

B) N2O

C) NO

D) NO2

4 / 20

4. Which one of the following elements occurs free in nature:

A) N

B) Sb

C) P

D) As

5 / 20

5. At 18 ͦC the specific gravity of H₂SO₄ is:

A) 1.834

B) 1.891

C) 2.101

D) 1.740

6 / 20

6. Nitrous acid is a:

A) Reducing agent

B) None of these

C) Oxidizing agent

D) Both a and b

7 / 20

7. The anhydride of nitric acid is:

A) N2O5

B) N2O3

C) N2O4

D) NO

8 / 20

8. The % by volume of N2 in the air is:

A) 88

B) 68

C) 98

D) 78

9 / 20

9. The molecular formula of white phosphorous is:

A) P4

B) P

C) P3

D) P2

10 / 20

10. Aqua Regia is:

A) 3 volumes of HCl+ 1Volume of HNO2

B) 3 Volumes of HCl+ 1Volume of H2SO4

C) 3 volumes of HNO3+ 1Volume of HCl

D) 3 Volumes of HCl+ 1Volume of HNO3

11 / 20

11. Which of the following is not correct about Phosphorous?

A) It means light bearing

B) has no allotropic forms

C) Bone ash is its rich source

D) Does not exist free in nature

12 / 20

12. In which substance nitrogen is not present:

A) Salt peter

B) Galena

C) Urea

D) Protein

13 / 20

13. Which of the following elements is most metallic:

A) As

B) Sb

C) Bi

D) P

14 / 20

14. HNO₂ acts as an/a:

A) All the three

B) Oxidizing agent

C) Reducing agent

D) Acid

15 / 20

15. Which of the following phosphorus is most reactive:

A) White phosphorus

B) Red phosphorus

C) Violet phosphorous

D) Scarlet phosphorus

16 / 20

16. Phosphorus pentoxide is used as:

A) A bleaching agent

B) A cleansing agent

C) A reducing agent

D) A dehydrating agent

17 / 20

17. Which of the following is a white hygroscopic powder:

A) P2O4

B) P2O3

C) P2O2

D) P2O5

18 / 20

18. Red phosphorous can be obtained from white Phosphorous by:

A) Melting it and pouring the liquid into water

B) Distilling it in an inert atmosphere

C) Dissolving it in CS2 and crystallizing

D) Heating it with Iodine catalyst in vacuum at 250o C

19 / 20

19. Which one of the following is an amphoteric oxide:

A) SO3

B) SO2

C) CO2

D) Al2O3

20 / 20

20. The structure of white phosphorus is:

A) Square planar

B) Trigonal planer

C) Tetrahedral

D) Pyramidal

Your score is

2nd Year Chemistry Chapter 4 MCQs Group V A and IV A Elements

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