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 the strongest acid?

Question # 2

Gaseous HF exists in the form of

Question # 3

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

Question # 4

Bleaching powder is agent:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Which halogen has Iustrous shining?

Question # 9

Which compound of noble gas xenon can be prepared?

Question # 10

Perchloric acid can be stored in solution form

Question # 11

Which has the least oxidizing power?

Question # 12

Chlorine heptoxide (Cl2O7) reacts with water to form

Question # 13

Radioactive element in halogens is

Question # 14

Non sticking coating in cooking utensils is done by

Question # 15

Smell of halogens is:

Question # 16

The available chlorine is bleaching power is

Question # 17

The only non-metal in liquid form is

Question # 18

The most reactive elements are:

Question # 19

Astatine belongs to group:

Question # 20

Halogens are called

Question # 21

Used in tooth pastes is

Question # 22

Noble gases are placed in group

Question # 23

Astatine belongs to group

Question # 24

The strongest acid is

Question # 25

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

Question # 26

I2O5is used for quantitative study of

Question # 27

Oxidation state of fluorine is

Question # 28

Oxidation state of fluorine is:

Question # 29

The compound with cyclic hexamer is

Question # 30

The noble gases are

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 The most reactive elements are:
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII -A
2 Which of the following hydrogen halide is the weakest acid in solution
A. HF
B. HBr
C. HI
D. HCl
3 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?
A. s2p2
B. s2p4
C. s2p5
D. s2p6
4 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
5 Which is volatile liquid?
A. HF
B. HCl
C. HBr
D. Hl
6 The strongest acid is
A. HF
B. HCl
C. HBr
D. HI
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 Molecule of halogens exist as
A. Monatomic
B. Diatomic
C. Triatomi
D. Polyatomic
9 Bleaching powder is prepared by the reaction of Cl2 with.
A. Lime stone
B. Lime water
C. slaked lime
D. Lime
10 Colour of bromine is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black

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