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

Oxidation state of fluorine is

Question # 2

Hydrogen bond is the strongest between the molecules of

Question # 3

Which halogen occurs naturally in a positive oxidation state?

Question # 4

A property which differs fluorine from the other halogens?

Question # 5

Which halogen has Iustrous shining?

Question # 6

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

Question # 7

Bleaching powder is agent:

Question # 8

The most reactive elements are

Question # 9

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

Question # 10

Corrosion proof parts of machinery are prepared from

Question # 11

Molecule of halogens exist as

Question # 12

Nobel gases are placed group:

Question # 13

The strongest acid is

Question # 14

Colour of bromine is

Question # 15

Which is volatile liquid?

Question # 16

Which compound of noble gas xenon can be prepared?

Question # 17

Hydrogen bond is the strongest between the molecules of:

Question # 18

Noble gases are placed in group

Question # 19

the anhydride of HCIO4is

Question # 20

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

Question # 21

Angle is OF2is

Question # 22

Radioactive element in halogens is

Question # 23

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

Question # 24

Colour of fluorine gas is

Question # 25

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

Question # 26

Second most element in the universe is

Question # 27

Smell of halogens is:

Question # 28

Gaseous HF exists in the form of

Question # 29

Oxidation state of fluorine is:

Question # 30

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

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Non sticking coating in cooking utensils is done by
A. Iron
B. Cooper
C. Plastic
D. Teflon
2 I2O5is used for quantitative study of
A. CO2
B. NO2
C. NO
D. CO
3 The noble gases are
A. Mono atomio
B. Diatomic
C. Polyatomic
D. All
4 Which compound of noble gas xenon can be prepared?
A. Oxides
B. Fluoride
C. Oxyfluorides
D. All of these
5 Colour of chlorine is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
6 Which of the following hydrogen halide is the weakest acid in solution?
A. HF
B. HBr
C. Hl
D. HCl
7 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
8 Which halogen will react spontaneously with Au(s)to produce Au3++
A. Br2
B. F2
C. I2
D. Cl2
9 Colour of fluorine gas is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. greyish black
10 Which is used in arc welding and cutting?
A. He
B. Ne
C. Ar
D. Kr

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