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

Non sticking coating in cooking utensils is done by

Question # 2

The most reactive elements are:

Question # 3

Hydrogen bond is the strongest between the molecules of:

Question # 4

The strongest hydrogen bond is in

Question # 5

Astatine belongs to group:

Question # 6

A property which differs fluorine from the other halogens?

Question # 7

Which halogen occurs naturally in a positive oxidation state?

Question # 8

Half life of most stable isotope of astatine is

Question # 9

Colour of Iodine is

Question # 10

Which halogen has Iustrous shining?

Question # 11

the anhydride of HCIO4is

Question # 12

Second most element in the universe is

Question # 13

Chlorine heptoxide (Cl2O7) reacts with water to form

Question # 14

Colour of chlorine is

Question # 15

The noble gases are

Question # 16

Oxidation state of fluorine is

Question # 17

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

Question # 18

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

Question # 19

Astatine belongs to group

Question # 20

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

Question # 21

The compound with cyclic hexamer is

Question # 22

Perchloric acid can be stored in solution form

Question # 23

Gaseous HF exists in the form of

Question # 24

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 # 25

The only non-metal in liquid form is

Question # 26

I2O5is used for quantitative study of

Question # 27

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

Question # 28

Bleaching powder may be produced by passing chlorine over

Question # 29

Which is used in bacterial lamps

Question # 30

Colour of bromine is

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Smell of halogen is
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
2 Which is used as cooling medium in nuclear reactors?
A. He
B. Ne
C. Ar
D. Kr
3 Astatine belongs to group:
A. I-A
B. II-A
C. III-A
D. VII-A
4 Bleaching powder is agent:
A. Dehydrating
B. Oxidazing
C. reducing
D. all
5 Corrosion proof parts of machinery are prepared from
A. Iron
B. Copper
C. Plastic
D. Teflon
6 Angle is OF2is
A. 1200
B. 1800
C. 1050
D. 1020
7 Half life of most stable isotope of astatine is
A. 8.0 hrs
B. 8.1 hrs
C. 8.2 hrs
D. 8.3 hrs
8 Halogens are called
A. Salt former
B. Light bearing
C. Copper forming
D. none of these
9 Which compound of noble gas xenon can be prepared?
A. Oxides
B. Fluoride
C. Oxyfluorides
D. All of these
10 The noble gases are
A. Mono atomio
B. Diatomic
C. Polyatomic
D. All

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