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) N

B) Sb

C) As

D) P

2 / 20

2. Oxidation of NO in air produces:

A) N2O3

B) N2O

C) NO

D) NO2

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3. Which of the following phosphorus is most reactive:

A) Violet phosphorous

B) White phosphorus

C) Red phosphorus

D) Scarlet phosphorus

4 / 20

4. The structure of white phosphorus is:

A) Trigonal planer

B) Pyramidal

C) Square planar

D) Tetrahedral

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5. Which of the following elements is most metallic:

A) Sb

B) As

C) Bi

D) P

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

A) 98

B) 78

C) 88

D) 68

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8. The anhydride of nitric acid is:

A) NO

B) N2O4

C) N2O3

D) N2O5

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

A) Dissolving it in CS2 and crystallizing

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

C) Melting it and pouring the liquid into water

D) Distilling it in an inert atmosphere

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10. The molecular formula of white phosphorous is:

A) P

B) P3

C) P4

D) P2

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

A) Bone ash is its rich source

B) has no allotropic forms

C) It means light bearing

D) Does not exist free in nature

12 / 20

12. Nitrous acid is a:

A) Oxidizing agent

B) Reducing agent

C) None of these

D) Both a and b

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

A) Al2O3

B) SO2

C) CO2

D) SO3

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14. In Pyrite burner, the gas produced is:

A) CO2

B) SO2

C) SO3

D) NO

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15. 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

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16. HNO₂ acts as an/a:

A) Reducing agent

B) All the three

C) Acid

D) Oxidizing agent

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17. In which substance nitrogen is not present:

A) Urea

B) Galena

C) Protein

D) Salt peter

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18. Phosphorus pentoxide is used as:

A) A reducing agent

B) A dehydrating agent

C) A bleaching agent

D) A cleansing agent

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19. Orthophosphoric acid is:

A) Dibasic

B) Monobasic

C) Tribasic

D) Tetrabasic

20 / 20

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

A) P2O3

B) P2O5

C) P2O4

D) P2O2

Your score is

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

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