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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
Corrosion proof parts of machinery are prepared from
Question # 2
Which is present as a result of radioactive decay on earth?
Question # 3
Astatine belongs to group:
Question # 4
Which is volatile liquid?
Question # 5
Hydrogen bond is the strongest between the molecules of
Question # 6
Astatine belongs to group
Question # 7
An element that has a high ionization energy and tends to be chemically inactive would most likely to be:
Question # 8
Which compound of noble gas xenon can be prepared?
Question # 9
Perchloric acid can be stored in solution form
Question # 10
Which of the following hydrogen halide is the weakest acid in solution
Question # 11
Colour of Iodine is
Question # 12
Which is used in arc welding and cutting?
Question # 13
Used in tooth pastes is
Question # 14
Half life period of astatine is
Question # 15
Which is used in bacterial lamps
Question # 16
Halogens are called.
Question # 17
The available chlorine is bleaching power is
Question # 18
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 # 19
Halogens are called
Question # 20
The only non-metal in liquid form is
Question # 21
the anhydride of HCIO4is
Question # 22
Gaseous HF exists in the form of
Question # 23
Oxidation state of fluorine is:
Question # 24
Which is used as cooling medium in nuclear reactors?
Question # 25
Second most element in the universe is
Question # 26
Oxidation state of fluorine is
Question # 27
Chlorine heptoxide (Cl2O7) reacts with water to form
Question # 28
Angle is OF2is
Question # 29
Colour of bromine is
Question # 30
I2O5is used for quantitative study of
Top Scorers Of ECAT Chemistry Chapter 16 The Halogens and The Noble Gases MCQ`s Test
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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 -
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K Khudeeja Iftikhar 12 - Mar - 2024 02 Min 57 Sec 110/120 -
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M Mehak Javaid 23 - Mar - 2024 11 Min 19 Sec 105/120 -
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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 | The compound with cyclic hexamer is |
A. HF
B. HCl
C. HBr
D. HI
|
| 2 | Which is used in bacterial lamps |
A. He
B. Ne
C. Ar
D. Kr
|
| 3 | Which has the least oxidizing power? |
A. F2
B. Cl2
C. Br2
D. I2
|
| 4 | The available chlorine is bleaching power is |
A. 25-30%
B. 30-35%
C. 35-40%
D. 40-45%
|
| 5 | the anhydride of HCIO4is |
A. CIO3
B. ClO2
C. Cl2O5
D. Cl2O7
|
| 6 | Which is used as cooling medium in nuclear reactors? |
A. He
B. Ne
C. Ar
D. Kr
|
| 7 | Perchloric acid can be stored in solution form |
A. 47%
B. 57%
C. 67%
D. 77%
|
| 8 | Astatine belongs to group |
A. I-A
B. II-A
C. III-A
D. VII-A
|
| 9 | The most reactive elements are: |
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII -A
|
| 10 | Which halogen has Iustrous shining? |
A. F2
B. Cl2
C. Br2
D. I2
|
Test Questions