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. HNO₂ acts as an/a:

A) Acid

B) Oxidizing agent

C) All the three

D) Reducing agent

2 / 20

2. Which of the following phosphorus is most reactive:

A) Red phosphorus

B) Violet phosphorous

C) Scarlet phosphorus

D) White phosphorus

3 / 20

3. The anhydride of nitric acid is:

A) N2O3

B) NO

C) N2O5

D) N2O4

4 / 20

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

A) 68

B) 88

C) 98

D) 78

5 / 20

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

A) P2O4

B) P2O2

C) P2O5

D) P2O3

6 / 20

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

A) Melting it and pouring the liquid into water

B) Dissolving it in CS2 and crystallizing

C) Distilling it in an inert atmosphere

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

7 / 20

7. The structure of white phosphorus is:

A) Pyramidal

B) Trigonal planer

C) Tetrahedral

D) Square planar

8 / 20

8. Aqua Regia is:

A) 3 Volumes of HCl+ 1Volume of H2SO4

B) 3 volumes of HNO3+ 1Volume of HCl

C) 3 volumes of HCl+ 1Volume of HNO2

D) 3 Volumes of HCl+ 1Volume of HNO3

9 / 20

9. Phosphorus pentoxide is used as:

A) A reducing agent

B) A cleansing agent

C) A dehydrating agent

D) A bleaching agent

10 / 20

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

A) Sb

B) N

C) P

D) As

11 / 20

11. Oxidation of NO in air produces:

A) NO

B) N2O3

C) N2O

D) NO2

12 / 20

12. Orthophosphoric acid is:

A) Monobasic

B) Dibasic

C) Tribasic

D) Tetrabasic

13 / 20

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

A) Al2O3

B) SO3

C) CO2

D) SO2

14 / 20

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

A) Bone ash is its rich source

B) has no allotropic forms

C) Does not exist free in nature

D) It means light bearing

15 / 20

15. In which substance nitrogen is not present:

A) Protein

B) Galena

C) Salt peter

D) Urea

16 / 20

16. The molecular formula of white phosphorous is:

A) P

B) P2

C) P3

D) P4

17 / 20

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

A) 1.834

B) 2.101

C) 1.740

D) 1.891

18 / 20

18. Which of the following elements is most metallic:

A) Bi

B) Sb

C) P

D) As

19 / 20

19. In Pyrite burner, the gas produced is:

A) CO2

B) SO3

C) NO

D) SO2

20 / 20

20. Nitrous acid is a:

A) None of these

B) Reducing agent

C) Oxidizing agent

D) Both a and b

Your score is

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

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