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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
De halogenatiion of tetrahalides happens in the presence of active metal like
Question # 2
β-β- dichloroethyle sulphide is commonly known as:
Question # 3
During the preparation of alkanes the hydrogenation of alkenes or alkynes the catalyst may be
Question # 4
Which of the following species participate in sulphonation of benzene ring?
Question # 5
When an aqueous solution of potassium salt of monocarboxylic acid is subjected to electrolysis, corresponding alkane is formed. This reation is known as
Question # 6
The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with
Question # 7
Aromatic hydrocarbons are the derivatives of
Question # 8
Preparation of vegetable ghee involves
Question # 9
The process in which orbitals of different energies and shapes mix with each other to give equivalent hybrid orbitals is called
Question # 10
When alkyl is treated with chlorine in the presence of sunlight
Question # 11
Write the name of following compound
Question # 12
Meta directing group decreased the ----------- of benzene ring
Question # 13
Paraffins are also called
Question # 14
Which of the following method is most appropriate for the manufacture of methane?
Question # 15
Synthesis of rubber is made by polymerization of
Question # 16
In which one of the following compound rings are not fused together at ortho positions
Question # 17
Replacement of hydrogen by NO2group is called
Question # 18
Alkyne is :
Question # 19
Which one of the following gases is used for artificial ripening of fruits ?
Question # 20
When methane reacts with Cl2in the presence of diffused light the products obtained are?
Question # 21
The compound prepared by a substitution reaction of benzene is
Question # 22
Toluene is also called
Question # 23
Benzene was discovered by Michael Faraday's in
Question # 24
The difference between amount of heat actually released and that of calculated is called
Question # 25
Sulphuric acid generates nitronium ion by reacting with
Question # 26
The simplest and the parent members of aromatic hydrocarbon is
Question # 27
Which gas is used for welding purposes
Question # 28
An alkane is produced when an alkyle halide reacts with zinc in the presence of
Question # 29
An alkynes having Carbon count of 20 is
Question # 30
Free radical mechanism of halogenation of alkanes follow step:
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 -
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H Haider Ali 26 - May - 2024 10 Min 39 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 | Mustard gas is a : |
A. Gas
B. Liquid
C. Solid
D. High boiling point
|
| 2 | An alkynes having Carbon count of 20 is |
A. gas
B. liquid
C. Solid
D. None
|
| 3 | The correct order of reactivity of halogens with alkanes is |
A. l2> Br2> Cl2> F2
B. l2> Cl2> F2> Br2
C. F2> Cl2> l2> Br2
D. F2> Cl2> Br2> l2
|
| 4 | A salt producing hydrocarbon among these compounds is |
A. Ehyne
B. Ethene
C. Methane
D. Ethane
|
| 5 | Substituted phenyl groups are called |
A. acyl groups
B. phenyl groups
C. Aryl groups
D. Alkyle groups
|
| 6 | When alkyl is treated with chlorine in the presence of sunlight |
A. 1,3 dichloroproduct is formed
B. 1,4 dichloro product is formed
C. 1,3,5 trichloro product is formed
D. Only alkyl group is substituted
|
| 7 | During nitration of benzene, the active nitrating agent is |
A. NO3
B. NO2+
C. NO2-
D. HNO3
|
| 8 | In which one of the following compound rings are not fused together at ortho positions |
A. Phenanthrene
B. Naphthalene
C. Diphenyemethane
D. Anthracene
|
| 9 | The alkynides are used for the ----------- of alkynes |
A. Pxperation
B. Purification
C. Seperation
D. All of above
|
| 10 | The temp. used for the hydrogenation of alkenes using Ni is |
A. 2000°C
B. 400°C
C. 200-- 300°C
D. 1000°C
|
Test Questions
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