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

Oxidation state of fluorine is

Question # 2

Which halogen has Iustrous shining?

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Which is volatile liquid?

Question # 7

Chlorin heptoxide reacts with water to form:

Question # 8

Which halogen occurs naturally in a positive oxidation state?

Question # 9

Noble gases are placed in group

Question # 10

Smell of halogen is

Question # 11

Bleaching powder may be produced by passing chlorine over

Question # 12

Colour of chlorine 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

Nobel gases are placed group:

Question # 16

Gaseous HF exists in the form of

Question # 17

Hydrogen bond is the strongest between the molecules of

Question # 18

Gaseous HF exists in the form of

Question # 19

Which compound of noble gas xenon can be prepared?

Question # 20

The most reactive elements are

Question # 21

The compound with cyclic hexamer is

Question # 22

Angle is OF2is

Question # 23

Which has complete valence shell?

Question # 24

The available chlorine is bleaching power is

Question # 25

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

Question # 26

Bleaching powder is prepared by the reaction of Cl2 with.

Question # 27

Noble gases in the atmosphere are

Question # 28

Half life of most stable isotope of astatine is

Question # 29

Molecule of halogens exist as

Question # 30

Perchloric acid can be stored in solution form

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Which is present as a result of radioactive decay on earth?
A. He
B. Ne
C. Ar
D. Kr
2 Colour of bromine is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
3 Angle is OF2is
A. 1200
B. 1800
C. 1050
D. 1020
4 Oxidation state of fluorine is
A. +1
B. +2
C. -1
D. -2
5 Nobel gases are placed group:
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII-A
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 Smell of halogens is:
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
8 Radioactive element in halogens is
A. Astatine
B. bromine
C. Iodine
D. Fluorine
9 Hydrogen bond is the strongest between the molecules of:
A. HF
B. HCl
C. HBr
D. Hl
10 The strongest acid is
A. HF
B. HCl
C. HBr
D. HI

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