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

Astatine belongs to group:

Question # 2

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

Question # 3

Corrosion proof parts of machinery are prepared from

Question # 4

Oxidation state of fluorine is

Question # 5

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

Question # 6

Chlorin heptoxide reacts with water to form:

Question # 7

Colour of fluorine gas is

Question # 8

I2O5is used for quantitative study of

Question # 9

Second most element in the universe is

Question # 10

Hydrogen bond is the strongest between the molecules of:

Question # 11

Gaseous HF exists in the form of

Question # 12

Half life of most stable isotope of astatine is

Question # 13

Which is used as cooling medium in nuclear reactors?

Question # 14

Colour of bromine is

Question # 15

Which is the strongest acid?

Question # 16

Halogens are called.

Question # 17

Halogens are called

Question # 18

The compound with cyclic hexamer is

Question # 19

Bleaching powder is agent:

Question # 20

Smell of halogens is:

Question # 21

Colour of Iodine is

Question # 22

The available chlorine is bleaching power is

Question # 23

The only non-metal in liquid form is

Question # 24

Which of the following hydrogen halide is the weakest acid in solution?

Question # 25

Which is volatile liquid?

Question # 26

Gaseous HF exists in the form of

Question # 27

The strongest acid is

Question # 28

Which halogen occurs naturally in a positive oxidation state?

Question # 29

The noble gases are

Question # 30

Which compound of noble gas xenon can be prepared?

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 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?
A. s2p2
B. s2p4
C. s2p5
D. s2p6
2 The noble gases are
A. Mono atomio
B. Diatomic
C. Polyatomic
D. All
3 Which is the strongest acid?
A. HClO
B. HClO2
C. HClO3
D. HClO4
4 Astatine belongs to group:
A. I-A
B. II-A
C. III-A
D. VII-A
5 Smell of halogens is:
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
6 Used in tooth pastes is
A. Fluorides
B. Iodides
C. halides
D. nitrides
7 Second most element in the universe is
A. He
B. Ne
C. Ar
D. Kr
8 Colour of Iodine is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
9 Colour of fluorine gas is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. greyish black
10 Smell of halogen is
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg

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