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

Colour of chlorine is

Question # 3

Angle is OF2is

Question # 4

Bleaching powder is agent:

Question # 5

A property which differs fluorine from the other halogens?

Question # 6

Noble gases in the atmosphere are

Question # 7

Corrosion proof parts of machinery are prepared from

Question # 8

Astatine belongs to group

Question # 9

The available chlorine is bleaching power is

Question # 10

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 # 11

Chlorine heptoxide (Cl2O7) reacts with water to form

Question # 12

The most reactive elements are:

Question # 13

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

Question # 14

Which is the strongest acid?

Question # 15

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

Question # 16

Which is volatile liquid?

Question # 17

Half life period of astatine is

Question # 18

Bleaching powder may be produced by passing chlorine over

Question # 19

The compound with cyclic hexamer is

Question # 20

The only non-metal in liquid form is

Question # 21

Hydrogen bond is the strongest between the molecules of

Question # 22

Smell of halogens is:

Question # 23

Colour of Iodine is

Question # 24

The strongest hydrogen bond is in

Question # 25

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

Question # 26

Which has complete valence shell?

Question # 27

The most reactive elements are

Question # 28

Molecule of halogens exist as

Question # 29

Colour of bromine is

Question # 30

Which is used in bacterial lamps

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