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

Question # 2

A property which differs fluorine from the other halogens?

Question # 3

The strongest hydrogen bond is in

Question # 4

Which is volatile liquid?

Question # 5

the anhydride of HCIO4is

Question # 6

The only non-metal in liquid form is

Question # 7

Hydrogen bond is the strongest between the molecules of

Question # 8

Which is used in bacterial lamps

Question # 9

Radioactive element in halogens is

Question # 10

Chlorin heptoxide reacts with water to form:

Question # 11

Which compound of noble gas xenon can be prepared?

Question # 12

Perchloric acid can be stored in solution form

Question # 13

Oxidation state of fluorine is

Question # 14

Gaseous HF exists in the form of

Question # 15

Which has complete valence shell?

Question # 16

Which halogen occurs naturally in a positive oxidation state?

Question # 17

Colour of Iodine is

Question # 18

Corrosion proof parts of machinery are prepared from

Question # 19

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

Question # 20

The strongest acid is

Question # 21

Nobel gases are placed group:

Question # 22

Colour of bromine is

Question # 23

Halogens are called

Question # 24

Astatine belongs to group

Question # 25

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

Question # 26

Which halogen has Iustrous shining?

Question # 27

The most reactive elements are:

Question # 28

Molecule of halogens exist as

Question # 29

Non sticking coating in cooking utensils is done by

Question # 30

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

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Which compound of noble gas xenon can be prepared?
A. Oxides
B. Fluoride
C. Oxyfluorides
D. All of these
2 Gaseous HF exists in the form of
A. Monomers
B. Cyclic hexamers
C. As single entity
D. Both a and b
3 Smell of halogen is
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
4 Used in tooth pastes is
A. Fluorides
B. Iodides
C. halides
D. nitrides
5 Non sticking coating in cooking utensils is done by
A. Iron
B. Cooper
C. Plastic
D. Teflon
6 Which halogen has Iustrous shining?
A. F2
B. Cl2
C. Br2
D. I2
7 Which is volatile liquid?
A. HF
B. HCl
C. HBr
D. Hl
8 Noble gases in the atmosphere are
A. 4%
B. 3%
C. 2%
D. 1%
9 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
10 Oxidation state of fluorine is:
A. +1
B. +2
C. -1
D. -2

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