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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
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Question # 1
How many molecules of chlorine adds in benzene in the presence of sunlight
Question # 2
Hybridization of each carbon atom in benzene ring is
Question # 3
Incomplete oxidation of alkanes yields
Question # 4
Aromatic hydrocarbons are the derivatives of
Question # 5
Eletronegativity difference in C-C bond in alkanes is:
Question # 6
Which decolourizes the colour of Br3
Question # 7
Ethylene combines with water in the presence of H2SO4+ HgSO4and forms
Question # 8
Which gas is used for welding purposes
Question # 9
Preparation of vegetable ghee involves:
Question # 10
When methane reacts with Cl2in the presence of diffused light the products obtained are?
Question # 11
During the preparation of alkynes the active metals that react with tetra halo-alkanes are
Question # 12
Which one of the following gases is used for artificial ripening of fruits ?
Question # 13
The treatment of benzene with isobutene in the presence of sulphuric acid give
Question # 14
The reaction in which ketone is reduced to the alkane is called
Question # 15
The presence of a double bond in a compound in the sign of:
Question # 16
A single benzene ring can have ______ ortho position maximally
Question # 17
The major reaction occurring in the engines of automobiles is
Question # 18
To differentiate isomers we use
Question # 19
Hydrocarbons are organic compounds which contain elements such as
Question # 20
Benzene was discovered by Michael Faraday's in
Question # 21
B-B'-dichloroethyl sulphide is commonly known as
Question # 22
Hydrocarbons contain :
Question # 23
A fuel has the same knocking property as a mixture of 70 isooctane (2, 2, 4- trimethyl pentane) and 30% n-heptane by volume the octane number of the fuel is
Question # 24
Alkyne is :
Question # 25
Write the name of following alkene CH2= CH - CH = CH2
Question # 26
The carbon, carbon bond length in benzene is
Question # 27
Which is symmetric alkene?
Question # 28
The saturated hydrocarbons usually end with suffix ______
Question # 29
Which of the following substances is used as an antiknock compound?
Question # 30
The hydrocarbons having double bonds normally end with suffix
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 -
A Abdullah Zubair 25 - Dec - 2024 06 Min 24 Sec 90/120 -
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
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which one of the following is (m-xylene) |
A. 1,2 dimethyl benzene
B. 1,3 dimethyl benzene
C. 1,5 dimethyl benzene
D. 1,4 dimethyl benzene
|
| 2 | A six membered ring containing one double bond called |
A. Cyclohexene
B. Cyclohexane
C. Cyclohexadiene
D. None
|
| 3 | The stability of acromatic compounds decreases with ------- in the no. of its resonance structure |
A. Decrease
B. Increase
C. Remain constant
D. Partially decreases
|
| 4 | The molecule of ethane possess which hybrization |
A. sp3
B. sp2
C. sp
D. sp2d
|
| 5 |
|
A. 2-bromonitrobenzene
B. 2-nitrobromobenzene
C. 1-bromonitrobenzene
D. 1-nitrobromobenzene
|
| 6 | Paraffins are also called |
A. Alkanes
B. Alkynes
C. Alkenes
D. None of these
|
| 7 | Hybridization of each carbon atom in benzene ring is |
A. sp hybridized
B. sp2hybridized
C. sp3
D. dsp2
|
| 8 | The four bonds of carbon in methane are directed towards the corners of |
A. Cube
B. Pentagon
C. Hexagon
D. Tetrahedron
|
| 9 | Which one of the following gases is used for artificial ripening of fruits |
A. Ethane
B. Ethyne
C. Methane
D. Propane
|
| 10 | If we remove one hydrogen atom from an alkane we obtain a group called |
A. Acetyle group
B. Formyle group
C. Alkyle group
D. Ketyle group
|
Test Questions
