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. Which of the following elements is most metallic:

A) As

B) Sb

C) P

D) Bi

2 / 20

2. Which of the following phosphorus is most reactive:

A) Violet phosphorous

B) Red phosphorus

C) Scarlet phosphorus

D) White phosphorus

3 / 20

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

A) SO3

B) CO2

C) SO2

D) Al2O3

4 / 20

4. Aqua Regia is:

A) 3 volumes of HCl+ 1Volume of HNO2

B) 3 volumes of HNO3+ 1Volume of HCl

C) 3 Volumes of HCl+ 1Volume of HNO3

D) 3 Volumes of HCl+ 1Volume of H2SO4

5 / 20

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

A) It means light bearing

B) Bone ash is its rich source

C) Does not exist free in nature

D) has no allotropic forms

6 / 20

6. The anhydride of nitric acid is:

A) N2O3

B) N2O4

C) NO

D) N2O5

7 / 20

7. Orthophosphoric acid is:

A) Tribasic

B) Dibasic

C) Monobasic

D) Tetrabasic

8 / 20

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

A) 68

B) 88

C) 78

D) 98

9 / 20

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

A) P2O5

B) P2O2

C) P2O3

D) P2O4

10 / 20

10. The structure of white phosphorus is:

A) Pyramidal

B) Trigonal planer

C) Square planar

D) Tetrahedral

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11. Nitrous acid is a:

A) Reducing agent

B) Both a and b

C) None of these

D) Oxidizing agent

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

D) Distilling it in an inert atmosphere

13 / 20

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

A) Sb

B) N

C) As

D) P

14 / 20

14. Phosphorus pentoxide is used as:

A) A dehydrating agent

B) A reducing agent

C) A cleansing agent

D) A bleaching agent

15 / 20

15. In Pyrite burner, the gas produced is:

A) SO2

B) SO3

C) CO2

D) NO

16 / 20

16. HNO₂ acts as an/a:

A) Acid

B) Oxidizing agent

C) Reducing agent

D) All the three

17 / 20

17. In which substance nitrogen is not present:

A) Galena

B) Salt peter

C) Urea

D) Protein

18 / 20

18. Oxidation of NO in air produces:

A) N2O3

B) NO

C) NO2

D) N2O

19 / 20

19. The molecular formula of white phosphorous is:

A) P2

B) P

C) P4

D) P3

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

A) 1.834

B) 1.891

C) 2.101

D) 1.740

Your score is

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

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