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

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

A) P

B) As

C) N

D) Sb

2 / 20

2. Orthophosphoric acid is:

A) Dibasic

B) Tribasic

C) Monobasic

D) Tetrabasic

3 / 20

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

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

B) Distilling it in an inert atmosphere

C) Melting it and pouring the liquid into water

D) Dissolving it in CS2 and crystallizing

4 / 20

4. In Pyrite burner, the gas produced is:

A) SO2

B) SO3

C) NO

D) CO2

5 / 20

5. Oxidation of NO in air produces:

A) N2O3

B) N2O

C) NO

D) NO2

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6. Nitrous acid is a:

A) None of these

B) Both a and b

C) Oxidizing agent

D) Reducing agent

7 / 20

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

A) Does not exist free in nature

B) It means light bearing

C) has no allotropic forms

D) Bone ash is its rich source

8 / 20

8. HNO₂ acts as an/a:

A) All the three

B) Reducing agent

C) Acid

D) Oxidizing agent

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

A) P2O2

B) P2O4

C) P2O5

D) P2O3

10 / 20

10. The molecular formula of white phosphorous is:

A) P3

B) P4

C) P

D) P2

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

A) Al2O3

B) SO2

C) CO2

D) SO3

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

A) 78

B) 68

C) 88

D) 98

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

A) 1.891

B) 2.101

C) 1.740

D) 1.834

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14. In which substance nitrogen is not present:

A) Protein

B) Salt peter

C) Urea

D) Galena

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15. Phosphorus pentoxide is used as:

A) A bleaching agent

B) A reducing agent

C) A cleansing agent

D) A dehydrating agent

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16. Which of the following phosphorus is most reactive:

A) Violet phosphorous

B) Scarlet phosphorus

C) Red phosphorus

D) White phosphorus

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17. The structure of white phosphorus is:

A) Trigonal planer

B) Square planar

C) Tetrahedral

D) Pyramidal

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18. 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

19 / 20

19. The anhydride of nitric acid is:

A) N2O5

B) N2O4

C) NO

D) N2O3

20 / 20

20. Which of the following elements is most metallic:

A) Sb

B) Bi

C) P

D) As

Your score is

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

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