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. In Pyrite burner, the gas produced is:

A) SO3

B) SO2

C) NO

D) CO2

2 / 20

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

A) P2O4

B) P2O3

C) P2O2

D) P2O5

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

A) Sb

B) N

C) As

D) P

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4. Phosphorus pentoxide is used as:

A) A cleansing agent

B) A reducing agent

C) A bleaching agent

D) A dehydrating agent

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

A) 88

B) 78

C) 68

D) 98

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6. Which of the following elements is most metallic:

A) As

B) P

C) Bi

D) Sb

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7. Orthophosphoric acid is:

A) Tribasic

B) Tetrabasic

C) Monobasic

D) Dibasic

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

A) Does not exist free in nature

B) Bone ash is its rich source

C) It means light bearing

D) has no allotropic forms

9 / 20

9. The anhydride of nitric acid is:

A) N2O4

B) NO

C) N2O5

D) N2O3

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10. The structure of white phosphorus is:

A) Pyramidal

B) Square planar

C) Trigonal planer

D) Tetrahedral

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11. In which substance nitrogen is not present:

A) Galena

B) Protein

C) Salt peter

D) Urea

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12. HNO₂ acts as an/a:

A) Oxidizing agent

B) All the three

C) Reducing agent

D) Acid

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13. The molecular formula of white phosphorous is:

A) P4

B) P3

C) P

D) P2

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

A) 1.740

B) 1.891

C) 2.101

D) 1.834

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15. Oxidation of NO in air produces:

A) NO

B) N2O3

C) N2O

D) NO2

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

A) Distilling it in an inert atmosphere

B) Dissolving it in CS2 and crystallizing

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

D) Melting it and pouring the liquid into water

17 / 20

17. Nitrous acid is a:

A) None of these

B) Both a and b

C) Oxidizing agent

D) Reducing agent

18 / 20

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

A) Al2O3

B) SO3

C) CO2

D) SO2

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19. Which of the following phosphorus is most reactive:

A) Red phosphorus

B) Scarlet phosphorus

C) Violet phosphorous

D) White phosphorus

20 / 20

20. Aqua Regia is:

A) 3 Volumes of HCl+ 1Volume of HNO3

B) 3 volumes of HCl+ 1Volume of HNO2

C) 3 volumes of HNO3+ 1Volume of HCl

D) 3 Volumes of HCl+ 1Volume of H2SO4

Your score is

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

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