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Test Description: The questions are super easy
Instructions: Answer all questions to get your test result.
1) In alkenes, the carbon atoms are connected to each other by a
A
Not connected
B
Single bond
C
Double bond
D
Triple bond
2) Identify the one which shows E-Z mechanism
A
2-methylpent-2-ene
B
3-methylpent-2-ene
C
Methyl-3-pent-2-ene
D
2,3-methylpentene
3) Which among these is not a structural isomer of the compound C4H8
A
But-2-ene
B
But-1-ene
C
But-3-ene
D
2-methylpropene
4) Select the incorrect statement regarding alkenes
A
Alkenes undergo polymerization reaction
B
In alkenes, the carbons are connected by pi bonds
C
Alkenes are less reactive than alkanes
D
Alkenes have almost same physical properties as that of the alkanes
5) 4-chlorobut-1-ene is the name of which among the following alkenes
A
CH2Cl-CH2-CH=CH2
B
CH2Cl-CH2=CH-CH2
C
CH2Cl-CH2-CH-CH2
D
CH2Cl=CH2-CH=CH2
6) Ethene on reaction with bromine forms which among the following product?
A
Br2HC=CHBr2
B
BrH2C-CH2Br
C
BrH2C=CH2Br
D
Br2HC-CHBr2
7) Which among these is not the types of reactions of alkenes?
A
Elimination reaction
B
Electrophilic additional reaction
C
Oxidation of alkenes
D
Addition reaction
8) Which of the following products is/are formed when HBr reacts with pent-2-ene?
A
CH3CHBrCH2CH2CH3 only
B
CH3CHBrCH2CH2CH3 and CH3CH2CHBrCH2CH3
C
CH3CHBrCH2CH2CH3 and CH2BrCH2CH2CH2CH3
D
CH3CHBrCHBrCH2CH3 only
9) The compound formed when bromine reacts with but-1-ene is
A
2-bromobutane
B
1,2-dibromobutane
C
1-bromobutane
D
1,3-dibromobutane
10) Which one of the following isomers of molecular formula C4H8can exist in two forms
A
2-methylpropene
B
But-1-ene
C
Cyclobutane
D
But-2-ene
*select an answer for all questions
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