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 is not correct about Phosphorous?

A) It means light bearing

B) Bone ash is its rich source

C) has no allotropic forms

D) Does not exist free in nature

2 / 20

2. The structure of white phosphorus is:

A) Trigonal planer

B) Tetrahedral

C) Square planar

D) Pyramidal

3 / 20

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

A) 2.101

B) 1.891

C) 1.834

D) 1.740

4 / 20

4. HNO₂ acts as an/a:

A) Reducing agent

B) Acid

C) All the three

D) Oxidizing agent

5 / 20

5. Phosphorus pentoxide is used as:

A) A reducing agent

B) A cleansing agent

C) A bleaching agent

D) A dehydrating agent

6 / 20

6. In Pyrite burner, the gas produced is:

A) SO3

B) NO

C) CO2

D) SO2

7 / 20

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

A) Al2O3

B) SO2

C) CO2

D) SO3

8 / 20

8. Which of the following phosphorus is most reactive:

A) Violet phosphorous

B) Red phosphorus

C) Scarlet phosphorus

D) White phosphorus

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

A) P

B) As

C) N

D) Sb

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10. Which of the following elements is most metallic:

A) As

B) Sb

C) P

D) Bi

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11. 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

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12. In which substance nitrogen is not present:

A) Galena

B) Salt peter

C) Protein

D) Urea

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13. Orthophosphoric acid is:

A) Dibasic

B) Monobasic

C) Tribasic

D) Tetrabasic

14 / 20

14. Nitrous acid is a:

A) Oxidizing agent

B) Reducing agent

C) Both a and b

D) None of these

15 / 20

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

A) P2O2

B) P2O4

C) P2O5

D) P2O3

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

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

B) Dissolving it in CS2 and crystallizing

C) Distilling it in an inert atmosphere

D) Melting it and pouring the liquid into water

17 / 20

17. The anhydride of nitric acid is:

A) N2O4

B) NO

C) N2O3

D) N2O5

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18. Oxidation of NO in air produces:

A) N2O3

B) NO2

C) N2O

D) NO

19 / 20

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

A) 88

B) 78

C) 98

D) 68

20 / 20

20. The molecular formula of white phosphorous is:

A) P4

B) P2

C) P3

D) P

Your score is

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

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