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

Chlorine heptoxide (Cl2O7) reacts with water to form

Question # 2

I2O5is used for quantitative study of

Question # 3

Colour of bromine is

Question # 4

A property which differs fluorine from the other halogens?

Question # 5

The available chlorine is bleaching power is

Question # 6

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

Question # 7

Bleaching powder is prepared by the reaction of Cl2 with.

Question # 8

The compound with cyclic hexamer is

Question # 9

Half life period of astatine is

Question # 10

Oxidation state of fluorine is

Question # 11

Colour of chlorine is

Question # 12

Which is used in arc welding and cutting?

Question # 13

The strongest acid is

Question # 14

Noble gases are placed in group

Question # 15

Which has the least oxidizing power?

Question # 16

Used in tooth pastes is

Question # 17

The strongest hydrogen bond is in

Question # 18

Chlorin heptoxide reacts with water to form:

Question # 19

The only non-metal in liquid form is

Question # 20

Hydrogen bond is the strongest between the molecules of

Question # 21

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 # 22

Which is volatile liquid?

Question # 23

Molecule of halogens exist as

Question # 24

The noble gases are

Question # 25

The most reactive elements are

Question # 26

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

Question # 27

Which halogen has Iustrous shining?

Question # 28

Perchloric acid can be stored in solution form

Question # 29

Bleaching powder may be produced by passing chlorine over

Question # 30

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

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Hydrogen bond is the strongest between the molecules of
A. HF
B. HCl
C. HBr
D. HI
2 Which of the following hydrogen halide is the weakest acid in solution
A. HF
B. HBr
C. HI
D. HCl
3 Which halogen occurs naturally in a positive oxidation state?
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
4 The noble gases are
A. Mono atomio
B. Diatomic
C. Polyatomic
D. All
5 Non sticking coating in cooking utensils is done by
A. Iron
B. Cooper
C. Plastic
D. Teflon
6 I2O5is used for quantitative study of
A. CO2
B. NO2
C. NO
D. CO
7 The compound with cyclic hexamer is
A. HF
B. HCl
C. HBr
D. HI
8 The most reactive elements are:
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII -A
9 Which halogen has maximum Van-der Waal's forces?
A. F2
B. Cl2
C. Br2
D. I2
10 Chlorin heptoxide reacts with water to form:
A. Hypochlorous acid
B. Chloric acid
C. Perchloric acid
D. Chlorine and oxygen

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