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. The anhydride of nitric acid is:

A) N2O5

B) N2O4

C) NO

D) N2O3

2 / 20

2. Which of the following phosphorus is most reactive:

A) Red phosphorus

B) Violet phosphorous

C) Scarlet phosphorus

D) White phosphorus

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

A) 1.834

B) 2.101

C) 1.740

D) 1.891

4 / 20

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

A) P2O3

B) P2O4

C) P2O2

D) P2O5

5 / 20

5. The structure of white phosphorus is:

A) Trigonal planer

B) Square planar

C) Pyramidal

D) Tetrahedral

6 / 20

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

A) As

B) N

C) Sb

D) P

7 / 20

7. Which of the following elements is most metallic:

A) Bi

B) As

C) Sb

D) P

8 / 20

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

A) 98

B) 88

C) 78

D) 68

9 / 20

9. Orthophosphoric acid is:

A) Monobasic

B) Dibasic

C) Tetrabasic

D) Tribasic

10 / 20

10. Oxidation of NO in air produces:

A) NO

B) N2O

C) N2O3

D) NO2

11 / 20

11. The molecular formula of white phosphorous is:

A) P3

B) P2

C) P4

D) P

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

A) has no allotropic forms

B) It means light bearing

C) Bone ash is its rich source

D) Does not exist free in nature

13 / 20

13. Aqua Regia is:

A) 3 volumes of HNO3+ 1Volume of HCl

B) 3 Volumes of HCl+ 1Volume of H2SO4

C) 3 volumes of HCl+ 1Volume of HNO2

D) 3 Volumes of HCl+ 1Volume of HNO3

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

A) Dissolving it in CS2 and crystallizing

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

C) Distilling it in an inert atmosphere

D) Melting it and pouring the liquid into water

15 / 20

15. HNO₂ acts as an/a:

A) Reducing agent

B) All the three

C) Acid

D) Oxidizing agent

16 / 20

16. In Pyrite burner, the gas produced is:

A) SO3

B) NO

C) CO2

D) SO2

17 / 20

17. Nitrous acid is a:

A) Oxidizing agent

B) None of these

C) Both a and b

D) Reducing agent

18 / 20

18. In which substance nitrogen is not present:

A) Salt peter

B) Galena

C) Urea

D) Protein

19 / 20

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

A) Al2O3

B) SO3

C) SO2

D) CO2

20 / 20

20. Phosphorus pentoxide is used as:

A) A bleaching agent

B) A reducing agent

C) A dehydrating agent

D) A cleansing agent

Your score is

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

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