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

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

Question # 3

Noble gases in the atmosphere are

Question # 4

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

Question # 5

Oxidation state of fluorine is

Question # 6

Astatine belongs to group

Question # 7

Which has complete valence shell?

Question # 8

Oxidation state of fluorine is:

Question # 9

Hydrogen bond is the strongest between the molecules of

Question # 10

Which is used in bacterial lamps

Question # 11

Colour of chlorine is

Question # 12

Bleaching powder is prepared by the reaction of Cl2 with.

Question # 13

Second most element in the universe is

Question # 14

Smell of halogen is

Question # 15

Which compound of noble gas xenon can be prepared?

Question # 16

Colour of Iodine is

Question # 17

Gaseous HF exists in the form of

Question # 18

Colour of bromine is

Question # 19

Which halogen has Iustrous shining?

Question # 20

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

Question # 21

The available chlorine is bleaching power is

Question # 22

Noble gases are placed in group

Question # 23

Halogens are called

Question # 24

Astatine belongs to group:

Question # 25

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 # 26

Non sticking coating in cooking utensils is done by

Question # 27

Hydrogen bond is the strongest between the molecules of:

Question # 28

Perchloric acid can be stored in solution form

Question # 29

Chlorin heptoxide reacts with water to form:

Question # 30

Halogens are called.

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 The only non-metal in liquid form is
A. S
B. Cl
C. Br
D. P
2 Radioactive element in halogens is
A. Astatine
B. bromine
C. Iodine
D. Fluorine
3 Non sticking coating in cooking utensils is done by
A. Iron
B. Cooper
C. Plastic
D. Teflon
4 Which of the following hydrogen halide is the weakest acid in solution?
A. HF
B. HBr
C. Hl
D. HCl
5 Which halogen has Iustrous shining?
A. F2
B. Cl2
C. Br2
D. I2
6 Which halogen occurs naturally in a positive oxidation state?
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
7 Nobel gases are placed group:
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII-A
8 Which has complete valence shell?
A. C
B. N
C. O
D. Ne
9 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
10 I2O5is used for quantitative study of
A. CO2
B. NO2
C. NO
D. CO

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