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. Which one of the following is an amphoteric oxide:

A) SO2

B) CO2

C) Al2O3

D) SO3

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

A) 1.740

B) 1.834

C) 1.891

D) 2.101

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3. The structure of white phosphorus is:

A) Square planar

B) Trigonal planer

C) Tetrahedral

D) Pyramidal

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

A) has no allotropic forms

B) Bone ash is its rich source

C) Does not exist free in nature

D) It means light bearing

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5. Oxidation of NO in air produces:

A) NO

B) N2O3

C) NO2

D) N2O

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6. 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

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7. HNO₂ acts as an/a:

A) All the three

B) Reducing agent

C) Acid

D) Oxidizing agent

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8. Nitrous acid is a:

A) Oxidizing agent

B) Reducing agent

C) Both a and b

D) None of these

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9. The molecular formula of white phosphorous is:

A) P3

B) P4

C) P2

D) P

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10. In Pyrite burner, the gas produced is:

A) CO2

B) NO

C) SO2

D) SO3

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11. Orthophosphoric acid is:

A) Tetrabasic

B) Monobasic

C) Tribasic

D) Dibasic

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

A) N

B) As

C) Sb

D) P

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13. 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 H2SO4

D) 3 Volumes of HCl+ 1Volume of HNO3

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14. In which substance nitrogen is not present:

A) Galena

B) Protein

C) Urea

D) Salt peter

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

A) P2O4

B) P2O5

C) P2O2

D) P2O3

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

A) 88

B) 68

C) 78

D) 98

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17. Phosphorus pentoxide is used as:

A) A dehydrating agent

B) A reducing agent

C) A bleaching agent

D) A cleansing agent

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18. Which of the following phosphorus is most reactive:

A) Scarlet phosphorus

B) Violet phosphorous

C) White phosphorus

D) Red phosphorus

19 / 20

19. The anhydride of nitric acid is:

A) N2O3

B) N2O4

C) N2O5

D) NO

20 / 20

20. Which of the following elements is most metallic:

A) Bi

B) P

C) As

D) Sb

Your score is

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

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