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 is volatile liquid?

Question # 2

Perchloric acid can be stored in solution form

Question # 3

Second most element in the universe is

Question # 4

Half life period of astatine is

Question # 5

Which halogen has Iustrous shining?

Question # 6

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?

Question # 7

Colour of fluorine gas is

Question # 8

Colour of Iodine is

Question # 9

The most reactive elements are:

Question # 10

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

Question # 11

Molecule of halogens exist as

Question # 12

Which is used in arc welding and cutting?

Question # 13

I2O5is used for quantitative study of

Question # 14

Smell of halogens is:

Question # 15

The available chlorine is bleaching power is

Question # 16

Colour of chlorine is

Question # 17

Angle is OF2is

Question # 18

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

Question # 19

the anhydride of HCIO4is

Question # 20

Noble gases in the atmosphere are

Question # 21

Bleaching powder may be produced by passing chlorine over

Question # 22

Hydrogen bond is the strongest between the molecules of:

Question # 23

Corrosion proof parts of machinery are prepared from

Question # 24

The compound with cyclic hexamer is

Question # 25

A property which differs fluorine from the other halogens?

Question # 26

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

Question # 27

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

Question # 28

Half life of most stable isotope of astatine is

Question # 29

Bleaching powder is prepared by the reaction of Cl2 with.

Question # 30

Which has complete valence shell?

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 the anhydride of HCIO4is
A. CIO3
B. ClO2
C. Cl2O5
D. Cl2O7
2 The strongest acid is
A. HF
B. HCl
C. HBr
D. HI
3 The noble gases are
A. Mono atomio
B. Diatomic
C. Polyatomic
D. All
4 Halogens are called
A. Salt former
B. Light bearing
C. Copper forming
D. none of these
5 Nobel gases are placed group:
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII-A
6 Used in tooth pastes is
A. Fluorides
B. Iodides
C. halides
D. nitrides
7 Astatine belongs to group:
A. I-A
B. II-A
C. III-A
D. VII-A
8 Second most element in the universe is
A. He
B. Ne
C. Ar
D. Kr
9 Which halogen occurs naturally in a positive oxidation state?
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
10 The only non-metal in liquid form is
A. S
B. Cl
C. Br
D. P

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