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MCQ's Test For Chapter 11 "Hydrocarbons"
Try The MCQ's Test For Chapter 11 "Hydrocarbons"
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Total Questions17
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Time Allowed20
Hydrocarbons
00:00
Question # 1
Which of the following carbocations would be the least stable.
Question # 2
The intermediate formed during electropilic addition
Question # 3
What is the correct IUPAC name of CH3 CH= CH2?
Question # 4
The enhanced stability of conjugated diens compared to isolated dienes is primarily attributed to
Question # 5
Which of these hydroarbons is saturated
Question # 6
Alkanes are also called.
Question # 7
Which of the followng reactions can an alkane undergo.
Question # 8
Which class of hydrocarbons contains one or more double bonds.
Question # 9
Which condition is essential for halogenation of methane.
Question # 10
Polymerization of ethene gives.
Question # 11
What is the first step in the free radical mechanism.
Question # 12
Which compound is a cycloalkane.
Question # 13
Which of the followign is a copolymer.
Question # 14
Which is a pair of geometrical isomers.
Question # 15
Which of the following is an addition polymer.
Question # 16
Which of the following is an aromatic hydrocarbon
Question # 17
The product formed when ethene reacts with H2 i the presence of Ni is.
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FSc Part 1 Chemistry (New Book) Chapter 11 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which of the following is most stable. |
A. Teriary radical
B. Primary radical
C. Secondary radical
D. Methyl radical
|
| 2 | Free radical reactions typically occur in |
A. Aromatic hydrocarbons
B. Saturated alkanes
C. Unsaturated alkenes
D. Alcohols
|
| 3 | What is the IUPAC name of CH3CH2CH3? |
A. Methane
B. Propane
C. Butane
D. Ethane
|
| 4 | Alkenes undergo which type of reaction. |
A. Nucloeophilic addition
B. Electrophilic addition
C. Free radical substitution
D. Nucleophilic substitution
|
| 5 | Which of the following is not a property of polymers. |
A. High melting point
B. Flexibility
C. isolubility in water
D. Low molecular mass
|
| 6 | The bond angle in ethene is approximately |
A. 109. 5 o
B. 180. 5 o
C. 120. o
D. 90. o
|
| 7 | Which of the followg is an aromatic hydrocarbon |
A. Benzene
B. Ethene
C. Methane
D. Cyclohexane
|
| 8 | The enhanced stability of conjugated diens compared to isolated dienes is primarily attributed to |
A. Inductive effects the double bonds
B. Increases s -character of the hybridized orbitals
C. Delocatisation of electrons acros the conjugated system
D. Steric hindrance between the double bonds
|
| 9 | Which is a pair of geometrical isomers. |
A. Ethane and propane
B. But-1- ene and but-2- ene
C. eis-but-2- ene and trans -but-2-ene
D. Benzene and toluene
|
| 10 | Which condition is essential for halogenation of methane. |
A. UV light
B. Acid catalyst
C. Heat only
D. Presence of water
|
Test Questions