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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 16 The Halogens and The Noble Gases

00:00
Question # 1

Bleaching powder is prepared by the reaction of Cl2 with.

Question # 2

Oxidation state of fluorine is

Question # 3

Astatine belongs to group:

Question # 4

The most reactive elements are

Question # 5

Oxidation state of fluorine is:

Question # 6

Noble gases in the atmosphere are

Question # 7

Colour of fluorine gas is

Question # 8

Hydrogen bond is the strongest between the molecules of:

Question # 9

Perchloric acid can be stored in solution form

Question # 10

Second most element in the universe is

Question # 11

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

Question # 12

Which is used as cooling medium in nuclear reactors?

Question # 13

Smell of halogen is

Question # 14

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

Question # 15

Half life of most stable isotope of astatine is

Question # 16

The only non-metal in liquid form is

Question # 17

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 # 18

A property which differs fluorine from the other halogens?

Question # 19

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

Question # 20

Smell of halogens is:

Question # 21

Half life period of astatine is

Question # 22

The available chlorine is bleaching power is

Question # 23

Gaseous HF exists in the form of

Question # 24

Chlorine heptoxide (Cl2O7) reacts with water to form

Question # 25

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

Question # 26

Used in tooth pastes is

Question # 27

Which halogen occurs naturally in a positive oxidation state?

Question # 28

Halogens are called

Question # 29

the anhydride of HCIO4is

Question # 30

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

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 16 The Halogens and The Noble Gases MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 16 The Halogens and The Noble Gases MCQ`s Test

  • A
    Arian Ahmed 08 - Mar - 2024 00 Min 03 Sec 120/120
  • J
    Jiya Khan 27 - Feb - 2024 02 Min 27 Sec 120/120
  • N
    Naima Kausar 13 - Mar - 2023 03 Min 10 Sec 120/120
  • T
    TETO Teto 13 - Mar - 2023 01 Min 24 Sec 115/120
  • T
    Tasawar Hussain 27 - May - 2024 02 Min 04 Sec 115/120
  • N
    Nasreen Sardar 10 - Jun - 2023 05 Min 14 Sec 115/120
  • K
    Khudeeja Iftikhar 12 - Mar - 2024 02 Min 57 Sec 110/120
  • K
    Khan Abdullah Asghar Mahmood 28 - Feb - 2024 03 Min 20 Sec 110/120
  • M
    Muhammad Sabtain Umar 11 - Mar - 2023 01 Min 59 Sec 105/120
  • M
    Maha Musharaf 24 - Mar - 2023 02 Min 43 Sec 105/120
  • M
    Mehak Javaid 23 - Mar - 2024 11 Min 19 Sec 105/120
  • N
    Nayab Shahzad 02 - Mar - 2024 12 Min 29 Sec 105/120
  • U
    Unaiza Usman 15 - Feb - 2024 02 Min 40 Sec 100/120
  • D
    Daim Ali 05 - Dec - 2023 02 Min 26 Sec 95/120
  • A
    Azeema Siddique Muhammad Siddique 06 - Mar - 2024 02 Min 39 Sec 95/120

ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Gaseous HF exists in the form of
A. Monomers
B. Cyclic hexames
C. As single entity
D. Both (a) and (b)
2 The most reactive elements are:
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII -A
3 Radioactive element in halogens is
A. Astatine
B. bromine
C. Iodine
D. Fluorine
4 Hydrogen bond is the strongest between the molecules of
A. HF
B. HCl
C. HBr
D. HI
5 Chlorine heptoxide (Cl2O7) reacts with water to form
A. Hypochlorous acid
B. chloric acid
C. Perchloric acid
D. Chlorine and Oxygen
6 Which has complete valence shell?
A. C
B. N
C. O
D. Ne
7 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
8 Colour of chlorine is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
9 Angle is OF2is
A. 1200
B. 1800
C. 1050
D. 1020
10 Which is used in arc welding and cutting?
A. He
B. Ne
C. Ar
D. Kr

Test Questions