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

Noble gases in the atmosphere are

Question # 2

The only non-metal in liquid form is

Question # 3

The compound with cyclic hexamer is

Question # 4

Corrosion proof parts of machinery are prepared from

Question # 5

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

Question # 6

Smell of halogen is

Question # 7

Which is used in bacterial lamps

Question # 8

Angle is OF2is

Question # 9

The strongest hydrogen bond is in

Question # 10

Which compound of noble gas xenon can be prepared?

Question # 11

Oxidation state of fluorine is:

Question # 12

A property which differs fluorine from the other halogens?

Question # 13

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

Question # 14

Colour of chlorine is

Question # 15

I2O5is used for quantitative study of

Question # 16

Which is the strongest acid?

Question # 17

Colour of fluorine gas is

Question # 18

Which halogen has Iustrous shining?

Question # 19

the anhydride of HCIO4is

Question # 20

Gaseous HF exists in the form of

Question # 21

Colour of Iodine is

Question # 22

Second most element in the universe is

Question # 23

The most reactive elements are:

Question # 24

Gaseous HF exists in the form of

Question # 25

Used in tooth pastes is

Question # 26

Hydrogen bond is the strongest between the molecules of:

Question # 27

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

Question # 28

Halogens are called

Question # 29

Noble gases are placed in group

Question # 30

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

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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 Halogens are called
A. Salt former
B. Light bearing
C. Copper forming
D. none of these
3 Colour of Iodine is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
4 Which noble gas is used in mixture used for breathing by divers?
A. Cl2
B. NH3
C. CO2
D. He
5 Oxidation state of fluorine is
A. +1
B. +2
C. -1
D. -2
6 Which is used in bacterial lamps
A. He
B. Ne
C. Ar
D. Kr
7 Hydrogen bond is the strongest between the molecules of
A. HF
B. HCl
C. HBr
D. HI
8 Astatine belongs to group
A. I-A
B. II-A
C. III-A
D. VII-A
9 Second most element in the universe is
A. He
B. Ne
C. Ar
D. Kr
10 Which is the strongest acid?
A. HClO
B. HClO2
C. HClO3
D. HClO4

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