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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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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 16 The Halogens and The Noble Gases
00:00
Question # 1
The strongest acid is
Question # 2
Which has the least oxidizing power?
Question # 3
Which halogen has maximum Van-der Waal's forces?
Question # 4
Which halogen will react spontaneously with Au(s)to produce Au3++
Question # 5
The most reactive elements are:
Question # 6
The noble gases are
Question # 7
Corrosion proof parts of machinery are prepared from
Question # 8
Which halogen has Iustrous shining?
Question # 9
Oxidation state of fluorine is:
Question # 10
Radioactive element in halogens is
Question # 11
The compound with cyclic hexamer is
Question # 12
Bleaching powder may be produced by passing chlorine over
Question # 13
Halogens are called.
Question # 14
Gaseous HF exists in the form of
Question # 15
Which is used as cooling medium in nuclear reactors?
Question # 16
Noble gases in the atmosphere are
Question # 17
Which is used in bacterial lamps
Question # 18
The available chlorine is bleaching power is
Question # 19
Astatine belongs to group:
Question # 20
Halogens are called
Question # 21
Second most element in the universe is
Question # 22
Noble gases are placed in group
Question # 23
Which is volatile liquid?
Question # 24
Which of the following hydrogen halide is the weakest acid in solution
Question # 25
Colour of Iodine is
Question # 26
The only non-metal in liquid form is
Question # 27
Colour of fluorine gas is
Question # 28
An element that has a high ionization energy and tends to be chemically inactive would most likely to be
Question # 29
Which compound of noble gas xenon can be prepared?
Question # 30
An element that has a high ionization energy and tends to be chemically inactive would most likely to be:
Top Scorers Of ECAT Chemistry Chapter 16 The Halogens and The Noble Gases MCQ`s Test
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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 | Halogens are called |
A. Salt former
B. Light bearing
C. Copper forming
D. none of these
|
| 2 | Which halogen has maximum Van-der Waal's forces? |
A. F2
B. Cl2
C. Br2
D. I2
|
| 3 | Which is present as a result of radioactive decay on earth? |
A. He
B. Ne
C. Ar
D. Kr
|
| 4 | Which compound of noble gas xenon can be prepared? |
A. Oxides
B. Fluoride
C. Oxyfluorides
D. All of these
|
| 5 | Colour of chlorine is |
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
|
| 6 | Molecule of halogens exist as |
A. Monatomic
B. Diatomic
C. Triatomi
D. Polyatomic
|
| 7 | Half life period of astatine is |
A. 8.1 hrs
B. 8.2 Hrs
C. 8.3 hrs
D. 8.4 hrs
|
| 8 | Smell of halogen is |
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
|
| 9 | I2O5is used for quantitative study of |
A. CO2
B. NO2
C. NO
D. CO
|
| 10 | Chlorine heptoxide (Cl2O7) reacts with water to form |
A. Hypochlorous acid
B. chloric acid
C. Perchloric acid
D. Chlorine and Oxygen
|
Test Questions