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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 hydrogen bond is in
Question # 2
Half life of most stable isotope of astatine is
Question # 3
The most reactive elements are
Question # 4
Which has the least oxidizing power?
Question # 5
Bleaching powder is agent:
Question # 6
Oxidation state of fluorine is
Question # 7
Chlorine heptoxide (Cl2O7) reacts with water to form
Question # 8
Which is used in arc welding and cutting?
Question # 9
Angle is OF2is
Question # 10
Which is the strongest acid?
Question # 11
Which has complete valence shell?
Question # 12
The compound with cyclic hexamer is
Question # 13
Colour of bromine is
Question # 14
Which is present as a result of radioactive decay on earth?
Question # 15
the anhydride of HCIO4is
Question # 16
Which of the following hydrogen halide is the weakest acid in solution?
Question # 17
Colour of Iodine is
Question # 18
Which noble gas is used in mixture used for breathing by divers?
Question # 19
I2O5is used for quantitative study of
Question # 20
Which is volatile liquid?
Question # 21
Colour of chlorine is
Question # 22
Second most element in the universe is
Question # 23
Gaseous HF exists in the form of
Question # 24
Which compound of noble gas xenon can be prepared?
Question # 25
Non sticking coating in cooking utensils is done by
Question # 26
Gaseous HF exists in the form of
Question # 27
Colour of fluorine gas is
Question # 28
Oxidation state of fluorine is:
Question # 29
Perchloric acid can be stored in solution form
Question # 30
Which is used in bacterial lamps
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 | Chlorin heptoxide reacts with water to form: |
A. Hypochlorous acid
B. Chloric acid
C. Perchloric acid
D. Chlorine and oxygen
|
| 2 | Halogens are called. |
A. salt former
B. Light bearing
C. copper forming
D. None of these
|
| 3 | Smell of halogens is: |
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
|
| 4 | 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? |
A. s2p2
B. s2p4
C. s2p5
D. s2p6
|
| 5 | Which is the strongest acid? |
A. HClO
B. HClO2
C. HClO3
D. HClO4
|
| 6 | The strongest hydrogen bond is in |
A. HF
B. HCl
C. HBr
D. Hl
|
| 7 | Which is used as cooling medium in nuclear reactors? |
A. He
B. Ne
C. Ar
D. Kr
|
| 8 | Which is used in arc welding and cutting? |
A. He
B. Ne
C. Ar
D. Kr
|
| 9 | Halogens are called |
A. Salt former
B. Light bearing
C. Copper forming
D. none of these
|
| 10 | Which has the least oxidizing power? |
A. F2
B. Cl2
C. Br2
D. I2
|
Test Questions