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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 most reactive elements are:
Question # 2
Chlorin heptoxide reacts with water to form:
Question # 3
Perchloric acid can be stored in solution form
Question # 4
Half life period of astatine is
Question # 5
Which noble gas is used in mixture used for breathing by divers?
Question # 6
Halogens are called.
Question # 7
Nobel gases are placed group:
Question # 8
Which has the least oxidizing power?
Question # 9
the anhydride of HCIO4is
Question # 10
An element that has a high ionization energy and tends to be chemically inactive would most likely to be
Question # 11
I2O5is used for quantitative study of
Question # 12
Colour of fluorine gas is
Question # 13
Noble gases in the atmosphere are
Question # 14
Bleaching powder is prepared by the reaction of Cl2 with.
Question # 15
Gaseous HF exists in the form of
Question # 16
Oxidation state of fluorine is
Question # 17
Angle is OF2is
Question # 18
Smell of halogen is
Question # 19
Which is the strongest acid?
Question # 20
Which halogen occurs naturally in a positive oxidation state?
Question # 21
Used in tooth pastes is
Question # 22
Which halogen has maximum Van-der Waal's forces?
Question # 23
The compound with cyclic hexamer is
Question # 24
Second most element in the universe is
Question # 25
Bleaching powder may be produced by passing chlorine over
Question # 26
Bleaching powder is agent:
Question # 27
Molecule of halogens exist as
Question # 28
Half life of most stable isotope of astatine is
Question # 29
An element that has a high ionization energy and tends to be chemically inactive would most likely to be:
Question # 30
Which compound of noble gas xenon can be prepared?
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 | The noble gases are |
A. Mono atomio
B. Diatomic
C. Polyatomic
D. All
|
| 2 | Astatine belongs to group: |
A. I-A
B. II-A
C. III-A
D. VII-A
|
| 3 | Which halogen has Iustrous shining? |
A. F2
B. Cl2
C. Br2
D. I2
|
| 4 | A property which differs fluorine from the other halogens? |
A. Direct combination with inert gases
B. Uninegative
C. Diatomic
D. ns2 , np5
|
| 5 | Which compound of noble gas xenon can be prepared? |
A. Oxides
B. Fluoride
C. Oxyfluorides
D. All of these
|
| 6 | Perchloric acid can be stored in solution form |
A. 47%
B. 57%
C. 67%
D. 77%
|
| 7 | The only non-metal in liquid form is |
A. S
B. Cl
C. Br
D. P
|
| 8 | Angle is OF2is |
A. 1200
B. 1800
C. 1050
D. 1020
|
| 9 | Bleaching powder is agent: |
A. Dehydrating
B. Oxidazing
C. reducing
D. all
|
| 10 | Half life period of astatine is |
A. 8.1 hrs
B. 8.2 Hrs
C. 8.3 hrs
D. 8.4 hrs
|
Test Questions
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