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

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

Question # 2

The strongest acid is

Question # 3

Smell of halogens is:

Question # 4

Bleaching powder is agent:

Question # 5

The most reactive elements are

Question # 6

Which is used in bacterial lamps

Question # 7

The compound with cyclic hexamer is

Question # 8

Bleaching powder may be produced by passing chlorine over

Question # 9

Which halogen has Iustrous shining?

Question # 10

Half life of most stable isotope of astatine is

Question # 11

Angle is OF2is

Question # 12

Which is present as a result of radioactive decay on earth?

Question # 13

Non sticking coating in cooking utensils is done by

Question # 14

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

Question # 15

Perchloric acid can be stored in solution form

Question # 16

A property which differs fluorine from the other halogens?

Question # 17

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

Question # 18

Gaseous HF exists in the form of

Question # 19

Halogens are called

Question # 20

Chlorin heptoxide reacts with water to form:

Question # 21

Noble gases are placed in group

Question # 22

Used in tooth pastes is

Question # 23

Halogens are called.

Question # 24

Noble gases in the atmosphere are

Question # 25

Nobel gases are placed group:

Question # 26

I2O5is used for quantitative study of

Question # 27

Colour of fluorine gas is

Question # 28

Astatine belongs to group

Question # 29

The only non-metal in liquid form is

Question # 30

Oxidation state of fluorine is:

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Which is present as a result of radioactive decay on earth?
A. He
B. Ne
C. Ar
D. Kr
2 Perchloric acid can be stored in solution form
A. 47%
B. 57%
C. 67%
D. 77%
3 Which halogen has maximum Van-der Waal's forces?
A. F2
B. Cl2
C. Br2
D. I2
4 Which has the least oxidizing power?
A. F2
B. Cl2
C. Br2
D. I2
5 The noble gases are
A. Mono atomio
B. Diatomic
C. Polyatomic
D. All
6 Which has complete valence shell?
A. C
B. N
C. O
D. Ne
7 Oxidation state of fluorine is:
A. +1
B. +2
C. -1
D. -2
8 Astatine belongs to group:
A. I-A
B. II-A
C. III-A
D. VII-A
9 A property which differs fluorine from the other halogens?
A. Direct combination with inert gases
B. Uninegative
C. Diatomic
D. ns2 , np5
10 Which of the following hydrogen halide is the weakest acid in solution?
A. HF
B. HBr
C. Hl
D. HCl

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