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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
Radioactive element in halogens is
Question # 2
Which is used in arc welding and cutting?
Question # 3
The available chlorine is bleaching power is
Question # 4
Which halogen has Iustrous shining?
Question # 5
Half life period of astatine is
Question # 6
Half life of most stable isotope of astatine is
Question # 7
Colour of chlorine is
Question # 8
Hydrogen bond is the strongest between the molecules of:
Question # 9
Noble gases in the atmosphere are
Question # 10
Which halogen has maximum Van-der Waal's forces?
Question # 11
Gaseous HF exists in the form of
Question # 12
Astatine belongs to group:
Question # 13
Second most element in the universe is
Question # 14
Which is volatile liquid?
Question # 15
Molecule of halogens exist as
Question # 16
Noble gases are placed in group
Question # 17
The compound with cyclic hexamer is
Question # 18
The most reactive elements are
Question # 19
The most reactive elements are:
Question # 20
Which has the least oxidizing power?
Question # 21
Oxidation state of fluorine is:
Question # 22
The only non-metal in liquid form is
Question # 23
An element that has a high ionization energy and tends to be chemically inactive would most likely to be:
Question # 24
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 # 25
Halogens are called
Question # 26
Which of the following hydrogen halide is the weakest acid in solution
Question # 27
Which is used in bacterial lamps
Question # 28
The noble gases are
Question # 29
Bleaching powder is prepared by the reaction of Cl2 with.
Question # 30
Chlorine heptoxide (Cl2O7) reacts with water to form
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 | I2O5is used for quantitative study of |
A. CO2
B. NO2
C. NO
D. CO
|
| 2 | Noble gases in the atmosphere are |
A. 4%
B. 3%
C. 2%
D. 1%
|
| 3 | Half life of most stable isotope of astatine is |
A. 8.0 hrs
B. 8.1 hrs
C. 8.2 hrs
D. 8.3 hrs
|
| 4 | Which halogen will react spontaneously with Au(s)to produce Au3++ |
A. Br2
B. F2
C. I2
D. Cl2
|
| 5 | The strongest acid is |
A. HF
B. HCl
C. HBr
D. HI
|
| 6 | The compound with cyclic hexamer is |
A. HF
B. HCl
C. HBr
D. HI
|
| 7 | The only non-metal in liquid form is |
A. S
B. Cl
C. Br
D. P
|
| 8 | Which has the least oxidizing power? |
A. F2
B. Cl2
C. Br2
D. I2
|
| 9 | 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
|
| 10 | Colour of bromine is |
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
|
Test Questions