ECAT Pre Engineering Chemistry Chapter 16 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 16 The Halogens and The Noble Gases

Try The MCQ's Test For ECAT Chemistry Chapter 16 The Halogens and The Noble Gases

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ECAT Chemistry Chapter 16 The Halogens and The Noble Gases

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Question # 1

The most reactive elements are:

Question # 2

Which noble gas is used in mixture used for breathing by divers?

Question # 3

Nobel gases are placed group:

Question # 4

I2O5is used for quantitative study of

Question # 5

The available chlorine is bleaching power is

Question # 6

Radioactive element in halogens is

Question # 7

Which is the strongest acid?

Question # 8

Colour of chlorine is

Question # 9

Corrosion proof parts of machinery are prepared from

Question # 10

Which halogen occurs naturally in a positive oxidation state?

Question # 11

Which halogen has maximum Van-der Waal's forces?

Question # 12

Molecule of halogens exist as

Question # 13

the anhydride of HCIO4is

Question # 14

Which of the following represents the correct electronic configuration of the outermost energy level of an element of zero (VIIA) group in the ground state?

Question # 15

Bleaching powder may be produced by passing chlorine over

Question # 16

Which compound of noble gas xenon can be prepared?

Question # 17

Noble gases in the atmosphere are

Question # 18

Colour of bromine is

Question # 19

Which is used as cooling medium in nuclear reactors?

Question # 20

Gaseous HF exists in the form of

Question # 21

Which is used in bacterial lamps

Question # 22

Second most element in the universe is

Question # 23

An element that has a high ionization energy and tends to be chemically inactive would most likely to be

Question # 24

Which has complete valence shell?

Question # 25

Noble gases are placed in group

Question # 26

Which has the least oxidizing power?

Question # 27

Colour of Iodine is

Question # 28

The compound with cyclic hexamer is

Question # 29

An element that has a high ionization energy and tends to be chemically inactive would most likely to be:

Question # 30

Chlorine heptoxide (Cl2O7) reacts with water to form

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Astatine belongs to group:
A. I-A
B. II-A
C. III-A
D. VII-A
2 Astatine belongs to group
A. I-A
B. II-A
C. III-A
D. VII-A
3 Used in tooth pastes is
A. Fluorides
B. Iodides
C. halides
D. nitrides
4 Halogens are called
A. Salt former
B. Light bearing
C. Copper forming
D. none of these
5 Which is used as cooling medium in nuclear reactors?
A. He
B. Ne
C. Ar
D. Kr
6 Which is used in bacterial lamps
A. He
B. Ne
C. Ar
D. Kr
7 The most reactive elements are
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII-A
8 The only non-metal in liquid form is
A. S
B. Cl
C. Br
D. P
9 Which halogen has maximum Van-der Waal's forces?
A. F2
B. Cl2
C. Br2
D. I2
10 the anhydride of HCIO4is
A. CIO3
B. ClO2
C. Cl2O5
D. Cl2O7

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