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

Astatine belongs to group

Question # 2

Non sticking coating in cooking utensils is done by

Question # 3

Bleaching powder is prepared by the reaction of Cl2 with.

Question # 4

the anhydride of HCIO4is

Question # 5

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

Question # 6

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

Question # 7

Which has complete valence shell?

Question # 8

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

Question # 9

The strongest acid is

Question # 10

Gaseous HF exists in the form of

Question # 11

Used in tooth pastes is

Question # 12

Half life period of astatine is

Question # 13

Which is the strongest acid?

Question # 14

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 # 15

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

Question # 16

The noble gases are

Question # 17

Second most element in the universe is

Question # 18

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

Question # 19

Which has the least oxidizing power?

Question # 20

Which is used as cooling medium in nuclear reactors?

Question # 21

The most reactive elements are:

Question # 22

Which halogen occurs naturally in a positive oxidation state?

Question # 23

The compound with cyclic hexamer is

Question # 24

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

Question # 25

Hydrogen bond is the strongest between the molecules of:

Question # 26

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

Question # 27

Radioactive element in halogens is

Question # 28

The strongest hydrogen bond is in

Question # 29

Which is used in bacterial lamps

Question # 30

The only non-metal in liquid form is

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Bleaching powder is agent:
A. Dehydrating
B. Oxidazing
C. reducing
D. all
2 Colour of Iodine is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
3 Which halogen has Iustrous shining?
A. F2
B. Cl2
C. Br2
D. I2
4 Which is used as cooling medium in nuclear reactors?
A. He
B. Ne
C. Ar
D. Kr
5 Oxidation state of fluorine is
A. +1
B. +2
C. -1
D. -2
6 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
7 Which has the least oxidizing power?
A. F2
B. Cl2
C. Br2
D. I2
8 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
9 The strongest acid is
A. HF
B. HCl
C. HBr
D. HI
10 Non sticking coating in cooking utensils is done by
A. Iron
B. Cooper
C. Plastic
D. Teflon

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