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

00:00
Question # 1

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

Question # 2

Which has complete valence shell?

Question # 3

The available chlorine is bleaching power is

Question # 4

Smell of halogens is:

Question # 5

Chlorin heptoxide reacts with water to form:

Question # 6

Oxidation state of fluorine is:

Question # 7

Smell of halogen is

Question # 8

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 # 9

I2O5is used for quantitative study of

Question # 10

Bleaching powder may be produced by passing chlorine over

Question # 11

Half life period of astatine is

Question # 12

Perchloric acid can be stored in solution form

Question # 13

Astatine belongs to group

Question # 14

A property which differs fluorine from the other halogens?

Question # 15

Oxidation state of fluorine is

Question # 16

The strongest hydrogen bond is in

Question # 17

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

Question # 18

Which is the strongest acid?

Question # 19

Bleaching powder is agent:

Question # 20

The noble gases are

Question # 21

Chlorine heptoxide (Cl2O7) reacts with water to form

Question # 22

Halogens are called.

Question # 23

The most reactive elements are:

Question # 24

Gaseous HF exists in the form of

Question # 25

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

Question # 26

Nobel gases are placed group:

Question # 27

Corrosion proof parts of machinery are prepared from

Question # 28

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

Question # 29

Noble gases are placed in group

Question # 30

Which compound of noble gas xenon can be prepared?

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 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
2 Used in tooth pastes is
A. Fluorides
B. Iodides
C. halides
D. nitrides
3 I2O5is used for quantitative study of
A. CO2
B. NO2
C. NO
D. CO
4 Smell of halogen is
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
5 Which is used in bacterial lamps
A. He
B. Ne
C. Ar
D. Kr
6 Non sticking coating in cooking utensils is done by
A. Iron
B. Cooper
C. Plastic
D. Teflon
7 Noble gases in the atmosphere are
A. 4%
B. 3%
C. 2%
D. 1%
8 Which of the following hydrogen halide is the weakest acid in solution
A. HF
B. HBr
C. HI
D. HCl
9 Oxidation state of fluorine is:
A. +1
B. +2
C. -1
D. -2
10 Bleaching powder is prepared by the reaction of Cl2 with.
A. Lime stone
B. Lime water
C. slaked lime
D. Lime

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