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

Colour of Iodine is

Question # 2

Nobel gases are placed group:

Question # 3

Half life of most stable isotope of astatine is

Question # 4

Second most element in the universe is

Question # 5

Oxidation state of fluorine is:

Question # 6

The most reactive elements are

Question # 7

Radioactive element in halogens is

Question # 8

The available chlorine is bleaching power is

Question # 9

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

Question # 10

Astatine belongs to group

Question # 11

The only non-metal in liquid form is

Question # 12

The strongest acid is

Question # 13

Bleaching powder is agent:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

Bleaching powder may be produced by passing chlorine over

Question # 18

Halogens are called.

Question # 19

Gaseous HF exists in the form of

Question # 20

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

Question # 21

The noble gases are

Question # 22

I2O5is used for quantitative study of

Question # 23

Non sticking coating in cooking utensils is done by

Question # 24

Which has the least oxidizing power?

Question # 25

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 # 26

Which has complete valence shell?

Question # 27

Astatine belongs to group:

Question # 28

Which is the strongest acid?

Question # 29

The strongest hydrogen bond is in

Question # 30

Which is volatile liquid?

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Which of the following hydrogen halide is the weakest acid in solution
A. HF
B. HBr
C. HI
D. HCl
2 The most reactive elements are
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII-A
3 Oxidation state of fluorine is:
A. +1
B. +2
C. -1
D. -2
4 Which is the strongest acid?
A. HClO
B. HClO2
C. HClO3
D. HClO4
5 The most reactive elements are:
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII -A
6 Noble gases are placed in group
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII-A
7 The available chlorine is bleaching power is
A. 25-30%
B. 30-35%
C. 35-40%
D. 40-45%
8 Half life period of astatine is
A. 8.1 hrs
B. 8.2 Hrs
C. 8.3 hrs
D. 8.4 hrs
9 Which has complete valence shell?
A. C
B. N
C. O
D. Ne
10 Used in tooth pastes is
A. Fluorides
B. Iodides
C. halides
D. nitrides

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