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

Colour of chlorine is

Question # 2

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

Question # 3

Gaseous HF exists in the form of

Question # 4

the anhydride of HCIO4is

Question # 5

The available chlorine is bleaching power is

Question # 6

Noble gases are placed in group

Question # 7

Noble gases in the atmosphere are

Question # 8

I2O5is used for quantitative study of

Question # 9

Which halogen has Iustrous shining?

Question # 10

Colour of fluorine gas is

Question # 11

Half life period of astatine is

Question # 12

Astatine belongs to group

Question # 13

Bleaching powder may be produced by passing chlorine over

Question # 14

Which compound of noble gas xenon can be prepared?

Question # 15

Astatine belongs to group:

Question # 16

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

Question # 17

Oxidation state of fluorine is:

Question # 18

The strongest acid is

Question # 19

Nobel gases are placed group:

Question # 20

Which is used in bacterial lamps

Question # 21

The compound with cyclic hexamer is

Question # 22

Used in tooth pastes is

Question # 23

Colour of Iodine is

Question # 24

The only non-metal in liquid form is

Question # 25

Gaseous HF exists in the form of

Question # 26

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

Question # 27

Which is volatile liquid?

Question # 28

The noble gases are

Question # 29

Which has complete valence shell?

Question # 30

Which is used in arc welding and cutting?

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Which is volatile liquid?
A. HF
B. HCl
C. HBr
D. Hl
2 Which is used in bacterial lamps
A. He
B. Ne
C. Ar
D. Kr
3 Half life of most stable isotope of astatine is
A. 8.0 hrs
B. 8.1 hrs
C. 8.2 hrs
D. 8.3 hrs
4 Smell of halogen is
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
5 Which halogen has maximum Van-der Waal's forces?
A. F2
B. Cl2
C. Br2
D. I2
6 An element that has a high ionization energy and tends to be chemically inactive would most likely to be
A. an alkali metal
B. a transition element
C. a noble gas
D. a halogen
7 Colour of Iodine is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
8 Molecule of halogens exist as
A. Monatomic
B. Diatomic
C. Triatomi
D. Polyatomic
9 Which halogen will react spontaneously with Au(s)to produce Au3++
A. Br2
B. F2
C. I2
D. Cl2
10 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

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