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 fluorine gas is

Question # 2

The available chlorine is bleaching power is

Question # 3

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

Question # 4

Molecule of halogens exist as

Question # 5

Which is used in bacterial lamps

Question # 6

Which halogen will react spontaneously with Au(s)to produce Au3++

Question # 7

Nobel gases are placed group:

Question # 8

Hydrogen bond is the strongest between the molecules of:

Question # 9

Which halogen has Iustrous shining?

Question # 10

The strongest hydrogen bond is in

Question # 11

Corrosion proof parts of machinery are prepared from

Question # 12

Which compound of noble gas xenon can be prepared?

Question # 13

The strongest acid is

Question # 14

Second most element in the universe is

Question # 15

Oxidation state of fluorine is:

Question # 16

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

Question # 17

Hydrogen bond is the strongest between the molecules of

Question # 18

Radioactive element in halogens is

Question # 19

Astatine belongs to group

Question # 20

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

Question # 21

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

Question # 22

Bleaching powder is prepared by the reaction of Cl2 with.

Question # 23

I2O5is used for quantitative study of

Question # 24

Chlorine heptoxide (Cl2O7) reacts with water to form

Question # 25

The only non-metal in liquid form is

Question # 26

Colour of chlorine is

Question # 27

Which has the least oxidizing power?

Question # 28

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

Question # 29

Bleaching powder may be produced by passing chlorine over

Question # 30

Half life of most stable isotope of astatine is

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Halogens are called.
A. salt former
B. Light bearing
C. copper forming
D. None of these
2 The most reactive elements are:
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII -A
3 Which is used in bacterial lamps
A. He
B. Ne
C. Ar
D. Kr
4 The strongest hydrogen bond is in
A. HF
B. HCl
C. HBr
D. Hl
5 Hydrogen bond is the strongest between the molecules of:
A. HF
B. HCl
C. HBr
D. Hl
6 Radioactive element in halogens is
A. Astatine
B. bromine
C. Iodine
D. Fluorine
7 Smell of halogen is
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
8 Oxidation state of fluorine is
A. +1
B. +2
C. -1
D. -2
9 Which halogen will react spontaneously with Au(s)to produce Au3++
A. Br2
B. F2
C. I2
D. Cl2
10 Which has complete valence shell?
A. C
B. N
C. O
D. Ne

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