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MCQ's Test For ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons
Try The MCQ's Test For ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons
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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons
00:00
Question # 1
An alkynes having Carbon count of 20 is
Question # 2
Which is symmetric alkene?
Question # 3
Formula of chloroform is
Question # 4
C18and onward hydrocarbons are normally
Question # 5
During nitration of benzene, the active nitrating agent is
Question # 6
When acetylene is passed through a copper tube at 300°C, it polymerizes to
Question # 7
Kolb's method is not useful for the production of
Question # 8
Which decolourizes the colour of Br3
Question # 9
For preparing an alkane, a concentrated aqueous solution of sodium or potassium salt of saturated carboxylic acid is subjected to
Question # 10
Kolb's method of alkanes production, is actually
Question # 11
Which of the following reaction is characteristic of benzene
Question # 12
Benzene is obtained from benzene sulphonic acid by treating with
Question # 13
Benzene does not undergo
Question # 14
All are ortho & Para directing except
Question # 15
Acetylene gives
Question # 16
The saturated hydrocarbons usually end with suffix ______
Question # 17
Which of the following species participate in sulphonation of benzene ring?
Question # 18
Which of the following is not aromatic hydrogencarbon
Question # 19
Alkyne is :
Question # 20
The next homologue of C10H22will be
Question # 21
Which gas is used for welding purposes
Question # 22
Which gas is produced by treating CaC2with water
Question # 23
Mustard gas is a :
Question # 24
Which reaction sequence would be best to prepare 3-chloro-aniline from benzene?
Question # 25
Complete combustion of alkane yields
Question # 26
During the preparation of alkynes the active metals that react with tetra halo-alkanes are
Question # 27
If we remove one hydrogen atom from an alkane we obtain a group called
Question # 28
The method involved for electrolysis of Na or K salts of carboxylic acids
Question # 29
Hydrocarbons contain :
Question # 30
Which reaction is too vigorous to control
Top Scorers Of ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons MCQ`s Test
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M M Umer Arain 29 - Nov - 2024 00 Min 03 Sec 110/120 -
G GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 01 - Jun - 2024 04 Min 52 Sec 110/120 -
H Huzaifa Asim 29 - May - 2024 02 Min 21 Sec 100/120 -
A Ali Tariq 23 - May - 2024 08 Min 03 Sec 100/120 -
G Ghulam Destgeer Destgeer 23 - May - 2024 08 Min 48 Sec 95/120 -
U Usman Saif 29 - May - 2024 04 Min 30 Sec 90/120 -
M Mian House 31 - May - 2024 05 Min 31 Sec 90/120 -
K khangul murad 09 - Jul - 2024 05 Min 58 Sec 90/120 -
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H Haider Ali 26 - May - 2024 10 Min 39 Sec 90/120 -
K Kaif Kaif ali 19 - May - 2024 11 Min 23 Sec 90/120 -
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T Tasmia 18 - May - 2024 19 Min 18 Sec 90/120 -
M Muhammad Ali 25 - Jun - 2024 03 Min 24 Sec 85/120 -
Z Zoya Zoya 27 - May - 2024 11 Min 30 Sec 85/120
ECAT Chemistry Chapter 19 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The next homologue of C10H22will be |
A. C9H20
B. C12H26
C. C11H24
D. C13H28
|
| 2 | The process in which orbitals of different energies and shapes mix with each other to give equivalent hybrid orbitals is called |
A. Isomerization
B. polymerization
C. Hybridization
D. Resonance
|
| 3 | De halogenatiion of tetrahalides happens in the presence of active metal like |
A. Zn
B. Mg
C. Both a and b
D. None of them
|
| 4 | Mustard gas is a |
A. Gas
B. High boiling speed
C. High melting liquid
D. Steam
|
| 5 | Introduction of a second methyl group in methylbenzene will give how many isomeric dimethyllenzenes |
A. 2
B. 1
C. 3
D. 4
|
| 6 | When benzene is burnt in free supply of air, it is completely oxidized to |
A. CO
B. CO2+H2O
C. H2CO3
D. None
|
| 7 | Physical properties of alkanes increase with increase of all physical constants except |
A. Boiling points
B. Melting points
C. Density
D. Solubility
|
| 8 |
|
A. 4-methyl pentene
B. 2-methyle-1-butene
C. 2-methyl propane
D. None of the above
|
| 9 | Benzene is not prepared from |
A. Acetylene
B. Phenol
C. Benzoic acid
D. Bromo benzene
|
| 10 | What is not a common use of methane |
A. As a fuel
B. For the preparation of haloaklanes
C. For the preparation of methyl alcohol
D. For the preparation of sulphuric acid
|
Test Questions
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