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 volatile liquid?

Question # 2

Halogens are called.

Question # 3

Which is used as cooling medium in nuclear reactors?

Question # 4

Used in tooth pastes is

Question # 5

Chlorin heptoxide reacts with water to form:

Question # 6

Smell of halogen is

Question # 7

The strongest hydrogen bond is in

Question # 8

Colour of chlorine is

Question # 9

Astatine belongs to group

Question # 10

Which is the strongest acid?

Question # 11

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

Question # 12

Nobel gases are placed group:

Question # 13

Which halogen has Iustrous shining?

Question # 14

Non sticking coating in cooking utensils is done by

Question # 15

Second most element in the universe is

Question # 16

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

Question # 17

Half life period of astatine is

Question # 18

Angle is OF2is

Question # 19

Bleaching powder is agent:

Question # 20

Oxidation state of fluorine is

Question # 21

Halogens are called

Question # 22

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 # 23

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

Question # 24

The only non-metal in liquid form is

Question # 25

Hydrogen bond is the strongest between the molecules of

Question # 26

I2O5is used for quantitative study of

Question # 27

Radioactive element in halogens is

Question # 28

Corrosion proof parts of machinery are prepared from

Question # 29

Which has the least oxidizing power?

Question # 30

Smell of halogens is:

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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 Which halogen will react spontaneously with Au(s)to produce Au3++
A. Br2
B. F2
C. I2
D. Cl2
3 A property which differs fluorine from the other halogens?
A. Direct combination with inert gases
B. Uninegative
C. Diatomic
D. ns2 , np5
4 I2O5is used for quantitative study of
A. CO2
B. NO2
C. NO
D. CO
5 Half life period of astatine is
A. 8.1 hrs
B. 8.2 Hrs
C. 8.3 hrs
D. 8.4 hrs
6 Colour of bromine is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
7 The strongest acid is
A. HF
B. HCl
C. HBr
D. HI
8 Chlorine heptoxide (Cl2O7) reacts with water to form
A. Hypochlorous acid
B. chloric acid
C. Perchloric acid
D. Chlorine and Oxygen
9 Colour of fluorine gas is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. greyish black
10 Which is volatile liquid?
A. HF
B. HCl
C. HBr
D. Hl

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