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) Tetrahedral

C) Square planar

D) Pyramidal

2 / 20

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

A) 68

B) 88

C) 98

D) 78

3 / 20

3. Which of the following phosphorus is most reactive:

A) White phosphorus

B) Violet phosphorous

C) Scarlet phosphorus

D) Red phosphorus

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4. Which of the following elements is most metallic:

A) Bi

B) Sb

C) As

D) P

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

A) Distilling it in an inert atmosphere

B) Dissolving it in CS2 and crystallizing

C) Melting it and pouring the liquid into water

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

6 / 20

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

A) Bone ash is its rich source

B) It means light bearing

C) has no allotropic forms

D) Does not exist free in nature

7 / 20

7. The anhydride of nitric acid is:

A) N2O3

B) NO

C) N2O5

D) N2O4

8 / 20

8. In Pyrite burner, the gas produced is:

A) CO2

B) SO2

C) NO

D) SO3

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

A) P2O4

B) P2O3

C) P2O5

D) P2O2

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10. The molecular formula of white phosphorous is:

A) P3

B) P

C) P2

D) P4

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11. In which substance nitrogen is not present:

A) Urea

B) Galena

C) Salt peter

D) Protein

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

A) SO2

B) Al2O3

C) SO3

D) CO2

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

A) 1.891

B) 1.834

C) 1.740

D) 2.101

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14. Nitrous acid is a:

A) Reducing agent

B) Both a and b

C) None of these

D) Oxidizing agent

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

A) P

B) As

C) N

D) Sb

16 / 20

16. HNO₂ acts as an/a:

A) Oxidizing agent

B) Acid

C) Reducing agent

D) All the three

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17. Oxidation of NO in air produces:

A) NO

B) N2O

C) NO2

D) N2O3

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18. Orthophosphoric acid is:

A) Tetrabasic

B) Tribasic

C) Dibasic

D) Monobasic

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19. Phosphorus pentoxide is used as:

A) A reducing agent

B) A bleaching agent

C) A cleansing agent

D) A dehydrating agent

20 / 20

20. 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 H2SO4

D) 3 Volumes of HCl+ 1Volume of HNO3

Your score is

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

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