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 of the following is a white hygroscopic powder:

A) P2O5

B) P2O2

C) P2O4

D) P2O3

2 / 20

2. The structure of white phosphorus is:

A) Tetrahedral

B) Trigonal planer

C) Pyramidal

D) Square planar

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3. Oxidation of NO in air produces:

A) NO2

B) NO

C) N2O

D) N2O3

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4. In Pyrite burner, the gas produced is:

A) SO3

B) NO

C) CO2

D) SO2

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5. Which of the following phosphorus is most reactive:

A) Scarlet phosphorus

B) White phosphorus

C) Red phosphorus

D) Violet phosphorous

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6. 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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7. At 18 ͦC the specific gravity of H₂SO₄ is:

A) 1.740

B) 1.891

C) 1.834

D) 2.101

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

A) Bone ash is its rich source

B) It means light bearing

C) Does not exist free in nature

D) has no allotropic forms

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9. The molecular formula of white phosphorous is:

A) P2

B) P

C) P3

D) P4

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10. Orthophosphoric acid is:

A) Monobasic

B) Tribasic

C) Tetrabasic

D) Dibasic

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11. Which of the following elements is most metallic:

A) As

B) Sb

C) Bi

D) P

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

A) 78

B) 68

C) 98

D) 88

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13. Nitrous acid is a:

A) Both a and b

B) Oxidizing agent

C) None of these

D) Reducing agent

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14. Aqua Regia is:

A) 3 volumes of HNO3+ 1Volume of HCl

B) 3 volumes of HCl+ 1Volume of HNO2

C) 3 Volumes of HCl+ 1Volume of HNO3

D) 3 Volumes of HCl+ 1Volume of H2SO4

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15. HNO₂ acts as an/a:

A) Oxidizing agent

B) Reducing agent

C) Acid

D) All the three

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

A) Melting it and pouring the liquid into water

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

C) Distilling it in an inert atmosphere

D) Dissolving it in CS2 and crystallizing

17 / 20

17. In which substance nitrogen is not present:

A) Salt peter

B) Urea

C) Galena

D) Protein

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

A) CO2

B) SO2

C) SO3

D) Al2O3

19 / 20

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

A) As

B) P

C) Sb

D) N

20 / 20

20. The anhydride of nitric acid is:

A) N2O3

B) NO

C) N2O4

D) N2O5

Your score is

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

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