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. Orthophosphoric acid is:

A) Dibasic

B) Tetrabasic

C) Monobasic

D) Tribasic

2 / 20

2. Aqua Regia is:

A) 3 Volumes of HCl+ 1Volume of HNO3

B) 3 Volumes of HCl+ 1Volume of H2SO4

C) 3 volumes of HCl+ 1Volume of HNO2

D) 3 volumes of HNO3+ 1Volume of HCl

3 / 20

3. Which of the following phosphorus is most reactive:

A) Scarlet phosphorus

B) Red phosphorus

C) White phosphorus

D) Violet phosphorous

4 / 20

4. In Pyrite burner, the gas produced is:

A) CO2

B) SO2

C) NO

D) SO3

5 / 20

5. The molecular formula of white phosphorous is:

A) P4

B) P2

C) P3

D) P

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

A) P

B) Sb

C) As

D) N

7 / 20

7. In which substance nitrogen is not present:

A) Protein

B) Urea

C) Salt peter

D) Galena

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8. The anhydride of nitric acid is:

A) N2O4

B) NO

C) N2O3

D) N2O5

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

A) 1.834

B) 2.101

C) 1.740

D) 1.891

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

A) It means light bearing

B) has no allotropic forms

C) Bone ash is its rich source

D) Does not exist free in nature

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11. Oxidation of NO in air produces:

A) N2O3

B) NO2

C) N2O

D) NO

12 / 20

12. The structure of white phosphorus is:

A) Pyramidal

B) Tetrahedral

C) Square planar

D) Trigonal planer

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13. Nitrous acid is a:

A) Oxidizing agent

B) None of these

C) Reducing agent

D) Both a and b

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14. 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) Dissolving it in CS2 and crystallizing

D) Melting it and pouring the liquid into water

15 / 20

15. Which of the following elements is most metallic:

A) As

B) Bi

C) Sb

D) P

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

A) CO2

B) SO3

C) Al2O3

D) SO2

17 / 20

17. HNO₂ acts as an/a:

A) Oxidizing agent

B) Reducing agent

C) All the three

D) Acid

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

A) P2O4

B) P2O2

C) P2O3

D) P2O5

19 / 20

19. Phosphorus pentoxide is used as:

A) A dehydrating agent

B) A reducing agent

C) A cleansing agent

D) A bleaching agent

20 / 20

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

A) 98

B) 68

C) 88

D) 78

Your score is

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

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