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 structure of white phosphorus is:

A) Trigonal planer

B) Pyramidal

C) Tetrahedral

D) Square planar

2 / 20

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

A) has no allotropic forms

B) Does not exist free in nature

C) It means light bearing

D) Bone ash is its rich source

3 / 20

3. In Pyrite burner, the gas produced is:

A) SO2

B) SO3

C) NO

D) CO2

4 / 20

4. The anhydride of nitric acid is:

A) N2O5

B) N2O4

C) NO

D) N2O3

5 / 20

5. In which substance nitrogen is not present:

A) Urea

B) Protein

C) Salt peter

D) Galena

6 / 20

6. The molecular formula of white phosphorous is:

A) P3

B) P4

C) P

D) P2

7 / 20

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

A) P2O2

B) P2O4

C) P2O3

D) P2O5

8 / 20

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

A) N

B) P

C) Sb

D) As

9 / 20

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

A) 68

B) 78

C) 98

D) 88

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10. Nitrous acid is a:

A) Oxidizing agent

B) None of these

C) Reducing agent

D) Both a and b

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11. Phosphorus pentoxide is used as:

A) A cleansing agent

B) A dehydrating agent

C) A reducing agent

D) A bleaching agent

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

A) CO2

B) SO2

C) Al2O3

D) SO3

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13. 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

14 / 20

14. Oxidation of NO in air produces:

A) N2O

B) N2O3

C) NO

D) NO2

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15. Aqua Regia is:

A) 3 volumes of HCl+ 1Volume of HNO2

B) 3 Volumes of HCl+ 1Volume of H2SO4

C) 3 Volumes of HCl+ 1Volume of HNO3

D) 3 volumes of HNO3+ 1Volume of HCl

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

A) 1.891

B) 1.740

C) 2.101

D) 1.834

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17. Which of the following elements is most metallic:

A) As

B) Sb

C) Bi

D) P

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18. HNO₂ acts as an/a:

A) All the three

B) Acid

C) Oxidizing agent

D) Reducing agent

19 / 20

19. Which of the following phosphorus is most reactive:

A) White phosphorus

B) Red phosphorus

C) Violet phosphorous

D) Scarlet phosphorus

20 / 20

20. Orthophosphoric acid is:

A) Dibasic

B) Tribasic

C) Monobasic

D) Tetrabasic

Your score is

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

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