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MCQ's Test For ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements
Try The MCQ's Test For ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements
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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements
00:00
Question # 1
SO2is not absorbed in water directly to or H2SO4because:
Question # 2
Which phosphorus is the most poisonous?
Question # 3
SO3 is not absorbed in water directly to or H2SO4 because
Question # 4
Which of the following species has the maximum number of unpaired electrons?
Question # 5
Reaction of HNO, with very dilute Zinc and at low temperature gives
Question # 6
Aqua Regia has ration of conc. HCl and HNO3.
Question # 7
Group VI-A elements are called:
Question # 8
Out of all the elements of group V-A, the highest ionization energy is possessed by
Question # 9
The most stable phosphorus allotrope is
Question # 10
Which is aqua regia?
Question # 11
Which gas is heavier than air?
Question # 12
Nitrogen is present in atmosphere by weight
Question # 13
Laughing gas is chemically
Question # 14
Tungsten and Uranium are turned to an reaction with HNO3:
Question # 15
NO2 forms acidic solution
Question # 16
Which is an inert gas?
Question # 17
Out of all the elements of group VI-A the highest melting and boiling points is shown by the elements:
Question # 18
Which is nitrous acid?
Question # 19
Which has sweetish taste?
Question # 20
Calcium carbonates contains oxygen in it:
Question # 21
What are non-metals?
Question # 22
Bone ash contains calcium phosphate
Question # 23
Specific gravity of HNO3 is
Question # 24
Formation of NO from N2 and O2 requires temp
Question # 25
Nitrogen is present in atmosphere
Question # 26
Which is laughing gas?
Question # 27
The brown gas formed when metal reduces HNO3is
Question # 28
Which can be prepared from HNO3?
Question # 29
Oxidation of NO in air produces
Question # 30
Colour of N2O4 is
Top Scorers Of ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements MCQ`s Test
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T Tasawar Hussain 24 - Feb - 2024 01 Min 57 Sec 120/120 -
T TETO Teto 13 - Mar - 2023 00 Min 29 Sec 115/120 -
N Nasreen Sardar 10 - Jun - 2023 02 Min 12 Sec 110/120 -
Z Zulnurain zulfiqar 16 - Feb - 2023 03 Min 42 Sec 105/120 -
A Ayesha Ch 11 - Mar - 2024 03 Min 49 Sec 105/120 -
O Omer Farooq 11 - Mar - 2023 06 Min 59 Sec 105/120 -
A Arian Ahmed 08 - Mar - 2024 00 Min 06 Sec 100/120 -
K Khudeeja Iftikhar 12 - Mar - 2024 02 Min 27 Sec 100/120 -
M minha rasheed 20 - Feb - 2023 02 Min 59 Sec 100/120 -
D Daim Ali 05 - Dec - 2023 03 Min 14 Sec 95/120 -
K Khan Abdullah Asghar Mahmood 28 - Feb - 2024 02 Min 59 Sec 90/120 -
M mohammad ashraf 24 - Feb - 2024 12 Min 11 Sec 90/120 -
S Shanzay 10 - Mar - 2023 03 Min 24 Sec 85/120 -
A Abdul Hannan 17 - Nov - 2023 03 Min 21 Sec 80/120 -
N Nayab Shahzad 02 - Mar - 2024 16 Min 27 Sec 80/120
ECAT Chemistry Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Colour of PCl5is: |
A. Red
B. Yellowish White
C. Grey
D. Colourless
|
| 2 | Colour of N2O4 is |
A. Raddish brown
B. Yellow
C. Colouries
D. green
|
| 3 | Tungsten and uranium are turned to an reaction with HNO3 |
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
|
| 4 | Laughing gas is chemically |
A. NO
B. N2O
C. NO2
D. N2O4
|
| 5 | Among group V-A elements, the most electronegative element is |
A. Sb
B. N
C. P
D. As
|
| 6 | Among group V-A elements, the most electronegative element is: |
A. Sb
B. N
C. P
D. As
|
| 7 | Formation of NO from N2 and O2 requires temp |
A. 300C
B. 3000C
C. 30000C
D. 300000C
|
| 8 | Which property is not present in non-metals: |
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
|
| 9 | Which element of group IV-A does not use d — orbital? |
A. N
B. P
C. As
D. Sb
|
| 10 | Allotropic forms of oxygen Te, Se are |
A. Two
B. Three
C. Four
D. Five
|
Test Questions
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