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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
Preparation of ethylbenzene by the reaction of bromobenzene, ethylbromide and sodium is called
Question # 2
Benzene has a -------- structure
Question # 3
Which of the following is not an electrophitic substitution reaction of benzene
Question # 4
Which is liquid among the following alkenes?
Question # 5
Write the name of following alkene CH2= CH - CH = CH2
Question # 6
The three alternate single and double bonds in the benzene ring are called
Question # 7
Benzene is not prepared from
Question # 8
Introduction of a second methyl group in methylbenzene will give how many isomeric dimethyllenzenes
Question # 9
Which can be used for dehydration of alcohol
Question # 10
The hydrocarbon used for polymerization is
Question # 11
Alkyne is :
Question # 12
Polymerization of ethane take place at pressure of 100 atm and a temperature of
Question # 13
Which is more active ?
Question # 14
The difference between amount of heat actually released and that of calculated is called
Question # 15
To differentiate isomers we use
Question # 16
The elimination of HX from adjacent carbon atoms is called
Question # 17
The molecule of ethane possess which hybrization
Question # 18
When an aqueous solution of potassium salt of monocarboxylic acid is subjected to electrolysis, corresponding alkane is formed. This reation is known as
Question # 19
An alkane is produced when an alkyle halide reacts with zinc in the presence of
Question # 20
Alkenes combine readily with electrophillic reagents such as halogens giving
Question # 21
Benzene is prepared from n-hexane in the presence of catalyst
Question # 22
Hydrocarbons contain :
Question # 23
Which one does not declourized KMnO4
Question # 24
Benzene can be obtained by heating either benzoic acid with X or phenol with Y. X and Y are respectively
Question # 25
The simplest and the parent members of aromatic hydrocarbon is
Question # 26
Which class of compound is more reactive
Question # 27
The Total coal resources of Pakistan are estimated to be
Question # 28
Benzene reacts with ozone and gives
Question # 29
Substituted phenyl groups are called
Question # 30
Which decolourizes the colour of Br3
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 -
K kainat kashif 16 - May - 2024 13 Min 52 Sec 90/120 -
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 | Replacement of hydrogen by NO2group is called |
A. Sulphonatioin
B. Hydration
C. Nitration
D. Cracking
|
| 2 | Kolb's method is not useful for the production of |
A. Methane
B. Ethane
C. Propane
D. Butane
|
| 3 | Which is liquid among the following alkenes? |
A. Ethane
B. Propene
C. Butene
D. Pentene
|
| 4 | Incomplete oxidation of alkanes yields |
A. CO2& carbon black
B. CO2+ heat
C. CO and carbon black
D. CO + heat
|
| 5 | The term aromatic was derives from |
A. Greek word
B. Latin
C. Russian
D. English
|
| 6 | The method involved for electrolysis of Na or K salts of carboxylic acids |
A. Sabatier's sendrens reaction
B. Kolbe's method
C. Clemmensen
D. Wolf kishner reduction
|
| 7 | Free radical mechanism of halogenation of alkanes follow step: |
A. Initiation
B. Propagation
C. Termination
D. All of these
|
| 8 |
|
A. Pent -1-ene-3-yne
B. 2-pentyne-4-ene
C. 1-pentene-3-yne
D. Pent-2-yen-4-ene
|
| 9 | For preparing an alkane, a concentrated aqueous solution of sodium or potassium salt of saturated carboxylic acid is subjected to |
A. Hydrolysis
B. Oxidation
C. Hydrogenation
D. Electrolysis
|
| 10 | Which one does not declourized KMnO4 |
A. Alkenes
B. Alkynes
C. Bezene
D. All above
|
Test Questions
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