2nd Year Chemistry Chapter 5 MCQs Halogens and Noble Gases

If your search is to get the 2nd Year Chemistry Chapter 5 MCQs Halogens and Noble Gases then you’ve landed on the right site. This chapter is about Halogens and Noble Gases. The occurrence of halogens and the peculiar behavior of fluorine are at the start of the chapter. The next topic is the volatility of Halides and the explanation of Van der Waals Forces. Then there are the properties of hydrogen halides, oxides, and oxyacids of halogens. The reaction of Chlorine with sodium hydroxide and the preparation and reaction of bleaching powder are important concepts. Then there are the uses of halogens and their compounds. The oxides, fluorides, and oxyfluorides of xenon have some specific properties. Start preparation for the MCQs of this chapter here below.

2nd Year Chemistry Chapter 5 MCQs Halogens and Noble Gases

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2nd Year Chemistry Chapter 5

1 / 20

1. Silver bromide is used in:

A) Photography

B) Ceramics

C) Paints

D) Gasoline

2 / 20

2. Which is used for making unshrinkable wool:

A) HBr

B) Bleaching powder

C) HCI

D) I2

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3. The anhydride of HClO₄ is:

A) Cl2O7

B) Cl2O5

C) ClO2

D) ClO3

4 / 20

4. The Chemical formula of Perchloric acid is:

A) HClO

B) HClO3

C) HClO4

D) HClO2

5 / 20

5. The oxidation states of Xe in its compounds range from:

A) +3 to +5

B) +3 to +7

C) +11 to +8

D) +2 to +8

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6. Color of which halogen is not correctly related:

A) Br2 Reddish brown liquid

B) Cl2 greenish yellow gas

C) I2 grayish black solid

D) F2 Colorless gas

7 / 20

7. Iodine pentoxide acts as a:

A) Dehydrating Agent

B) Reducing Agent

C) None of these

D) Oxidizing Agent

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8. Chlorine heptaoxide (Cl₂ O₇) reacts with water to form:

A) perchloric acid

B) chlorine and oxygen

C) hypochlorous acid

D) chloric acid

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9. The most inert element in the noble gas group is:

A) Ne

B) Ar

C) He

D) Kr

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10. Halogen acid in a gaseous state found as an equilibrium mixture of monomers and hexamers is:

A) HI

B) HCl

C) HF

D) HBr

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11. Mark the element, which can displace three halogens from their compounds:

A) Cl2

B) Br2

C) F2

D) I2

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12. Radon is formed by the removal of alpha particles from:

A) Rutherfordium

B) Rhodium

C) Radium

D) Rhenium

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13. Chlorine dioxide is a:

A) Red gas

B) Orange gas

C) Pale yellow gas

D) Green gas

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14. Which of the following gases is used in radiotherapy for cancer treatment and earthquake predictions?

A) Ar

B) Ne

C) Rn

D) Xe

15 / 20

15. The chemical formula of iodic acid is:

A) HIO3

B) HIO2

C) HIO

D) HI

16 / 20

16. Which of the following acid is used for the etching of glass:

A) HBr

B) HF

C) HI

D) HCl

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17. Which of the following compound is Carnallite:

A) KCl. MgCl2 .6H2O

B) KCl. Mg (OH)2. 6H2O

C) KOH. MgCl2 6H2O

D) KOH. Mg(OH)2. 6H2O

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18. In which compound, the oxidation state of xenon is not +6:

A) XeOF2

B) XeOF4

C) XeO3

D) XeF6

19 / 20

19. Oxidation state of chlorine in HClO₄ is:

A) -7

B) -1

C) +1

D) +7

20 / 20

20. _________ is used for earthquake prediction

A) Rn

B) Kr

C) Ar

D) Xe

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2nd Year Chemistry Chapter 5 MCQs Halogens and Noble Gases

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