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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
Bleaching powder is prepared by the reaction of Cl2 with.
Question # 2
Noble gases are placed in group
Question # 3
Bleaching powder is agent:
Question # 4
Smell of halogen is
Question # 5
The noble gases are
Question # 6
Colour of bromine is
Question # 7
Astatine belongs to group
Question # 8
Gaseous HF exists in the form of
Question # 9
Which halogen has maximum Van-der Waal's forces?
Question # 10
Molecule of halogens exist as
Question # 11
The most reactive elements are
Question # 12
Which of the following hydrogen halide is the weakest acid in solution?
Question # 13
An element that has a high ionization energy and tends to be chemically inactive would most likely to be:
Question # 14
Which is used in arc welding and cutting?
Question # 15
Bleaching powder may be produced by passing chlorine over
Question # 16
The strongest hydrogen bond is in
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
the anhydride of HCIO4is
Question # 19
Nobel gases are placed group:
Question # 20
Which is volatile liquid?
Question # 21
Which is present as a result of radioactive decay on earth?
Question # 22
Corrosion proof parts of machinery are prepared from
Question # 23
Which halogen will react spontaneously with Au(s)to produce Au3++
Question # 24
Smell of halogens is:
Question # 25
Oxidation state of fluorine is
Question # 26
The available chlorine is bleaching power is
Question # 27
The only non-metal in liquid form is
Question # 28
Radioactive element in halogens is
Question # 29
Halogens are called
Question # 30
Colour of chlorine is
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 | Perchloric acid can be stored in solution form |
A. 47%
B. 57%
C. 67%
D. 77%
|
| 2 | Noble gases in the atmosphere are |
A. 4%
B. 3%
C. 2%
D. 1%
|
| 3 | Oxidation state of fluorine is: |
A. +1
B. +2
C. -1
D. -2
|
| 4 | Which is used as cooling medium in nuclear reactors? |
A. He
B. Ne
C. Ar
D. Kr
|
| 5 | Radioactive element in halogens is |
A. Astatine
B. bromine
C. Iodine
D. Fluorine
|
| 6 | Hydrogen bond is the strongest between the molecules of: |
A. HF
B. HCl
C. HBr
D. Hl
|
| 7 | Bleaching powder is agent: |
A. Dehydrating
B. Oxidazing
C. reducing
D. all
|
| 8 | Colour of chlorine is |
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
|
| 9 | Which has complete valence shell? |
A. C
B. N
C. O
D. Ne
|
| 10 | Chlorin heptoxide reacts with water to form: |
A. Hypochlorous acid
B. Chloric acid
C. Perchloric acid
D. Chlorine and oxygen
|
Test Questions