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

Question # 2

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

Question # 3

Bleaching powder is agent:

Question # 4

Which is volatile liquid?

Question # 5

Non sticking coating in cooking utensils is done by

Question # 6

Chlorin heptoxide reacts with water to form:

Question # 7

Which halogen has Iustrous shining?

Question # 8

Which is used in bacterial lamps

Question # 9

Astatine belongs to group:

Question # 10

The most reactive elements are:

Question # 11

The only non-metal in liquid form is

Question # 12

Which compound of noble gas xenon can be prepared?

Question # 13

Oxidation state of fluorine is:

Question # 14

Which halogen occurs naturally in a positive oxidation state?

Question # 15

Which has the least oxidizing power?

Question # 16

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

Question # 17

Noble gases in the atmosphere are

Question # 18

Half life period of astatine is

Question # 19

Colour of fluorine gas is

Question # 20

Colour of Iodine is

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

Molecule of halogens exist as

Question # 25

I2O5is used for quantitative study of

Question # 26

Bleaching powder is prepared by the reaction of Cl2 with.

Question # 27

Which is used in arc welding and cutting?

Question # 28

Perchloric acid can be stored in solution form

Question # 29

The available chlorine is bleaching power is

Question # 30

Gaseous HF exists in the form of

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Second most element in the universe is
A. He
B. Ne
C. Ar
D. Kr
2 Which of the following hydrogen halide is the weakest acid in solution
A. HF
B. HBr
C. HI
D. HCl
3 Hydrogen bond is the strongest between the molecules of:
A. HF
B. HCl
C. HBr
D. Hl
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 used in bacterial lamps
A. He
B. Ne
C. Ar
D. Kr
6 Which is the strongest acid?
A. HClO
B. HClO2
C. HClO3
D. HClO4
7 the anhydride of HCIO4is
A. CIO3
B. ClO2
C. Cl2O5
D. Cl2O7
8 Colour of fluorine gas is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. greyish black
9 Which noble gas is used in mixture used for breathing by divers?
A. Cl2
B. NH3
C. CO2
D. He
10 Astatine belongs to group
A. I-A
B. II-A
C. III-A
D. VII-A

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