Chemistry The Halogens and Nobel Gases MCQs Chapter 5 Class 12 - PLS Academy

Chemistry The Halogens and Noble Gases MCQs – Chapter 5 Class 12

Chemistry The Halogens and Noble Gases is an important chapter of Class 12 Chemistry and plays a significant role in FSc Part-II exams and entry test preparation. MCQs from this chapter are frequently included in MDCAT, NUMS, AKU, NUST, UET ECAT, and board examinations. This chapter covers essential topics such as the general properties, electronic configurations, physical and chemical behavior, and important compounds of the halogens (group VIIA) and noble gases (group 0).

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Created on February 10, 2022 By Ali Durrani

Chemistry Ch 5 Class 12

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1 / 25

The halogens are known as:

Salt formers

Rare earth elements

Alkali metals

Noble gases

2 / 25

Which of the following is a result of reaction between Iodine and Oxygen?

Iodine Hexaoxide

Iodine Pentaoxide

Iodine Dioxide

Iodine Heptaoxide

3 / 25

Electrons are most loosely bound in which of the following halogen?

Iodine

Bromine

Chlorine

Fluorine

4 / 25

Which of the following can be bleached using Bleaching power?

Cotton

Wool

Silk

All of these

5 / 25

Which of the following is the highest oxidizing agent?

Cl2

Br2

6 / 25

) Which halogen is present in Teflon?

Chlorine

Bromine

Fluorine

Iodine

7 / 25

Noble gasses have?

High ionization energ

Zero ionization Energy

Low ionization energy d)

None of these

8 / 25

Sulfur with HI acts as a:

Strong oxidizing agent

Strong reducing agent

Weak oxidizing agent

Weak reducing agent

9 / 25

What is the chief ore of fluorine?

Cryolite

Fluorspar

Dolomite

Both a and b

10 / 25

Percentage of Chlorine present In bleaching powder Is:

5-10

20-25

35- 40

11 / 25

The reduction of which of the following produces Hydrofluoric acid?

a) XeF2

XeF4

Xe F6

All of the above

12 / 25

Bleaching powder is agent?

Oxidizing

Reducing

Both a and b

None of these

13 / 25

Which of the following is bleaching powder’s formula?

Ca(CI0)4

Ca2(CI0)2

Ca (CI0)2

Ca (CI20)2

14 / 25

Which of the following is a component of TEAR GAS:

Bromine

Fluorine

Chlorine

Argon

15 / 25

From the following which is used as bleaching agent

Flourine

Chlorine

Bromine

Iodine

16 / 25

Which halogen is used as a refrigerant?

17 / 25

is used in electric light bulbs, in fluorescent tubes, in radio tubes and Geiger counters

Radon

Neon

Argon

Both a and b

18 / 25

Oxides of xenon are formed from:

XeF6

XeF4

XeF2

All of these

19 / 25

Fluorine Is reactive due to its:

Low Ionization potential

Low dissociation energy

Low electro negativity

Large size

20 / 25

Which of the following show halogens?

F to At

N to CH

C to Sn

H to Cs.

21 / 25

Which of the following has highest boiling point?

22 / 25

Which of the following is the formula of Potassium permanganate?

KMnO4

K2Mn0

KMn02

None of these

23 / 25

The order of decreasing power as an oxidizing agent is

F2> Br2> Cl2>I2

F2 > O2> Br2 > I2

F2 < O2 < Br2 < I2

F2 < Br2< C12 <I2

24 / 25

Which of the following halogen does not form stable oxyacids?

25 / 25

What is the heat of vaporization of radon?

1.77

9.7

18.0

6.5

Your score is

The average score is 60%

Importance of The Halogens and Noble Gases MCQs

A strong understanding of halogens and noble gases helps students explain trends in reactivity, predict chemical reactions, and solve conceptual problems. Exams often include MCQs on physical and chemical properties, oxidation states, and applications of these elements. Practicing chapter-wise MCQs improves conceptual clarity, accuracy, and confidence for competitive exams.

Effective Strategy for Free Preparation

For effective preparation, students should revise periodic trends, memorize key reactions and properties, and solve topic-wise MCQs consistently. Attempting free tests and past paper questions helps identify important concepts and repeated exam patterns. PLS Academy provides structured MCQs and free resources to support Chemistry The Halogens and Noble Gases preparation and other Class 12 Chemistry chapters.

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