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CBSE Class 10 Science 2017 Delhi Term II Set 3 Paper

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Question : 8
Total: 10
The molecular formula of two carbon compound are C4H8 and C3H8 which one of the two is most likely to show addition reaction ? Justify your answer. Also give the chemical equation to explain the process of addition reaction in case.
Solution:  
(i) C4H8 : Butene - alkene( unsaturated hydrocarbon)
(ii) C3H8 : propane - alkane (saturated hydrocarbon)
C4H8 i.e., butene shows addition reaction as it is unsaturated hydrocarbon
H−
H
|
C
|
H
−
H
|
C
|
H
−
H
|
C
=
H
|
C
+Cl2→H−
H
|
C
|
H
−
H
|
C
|
H
−
H
|
C
|
Cl
−
H
|
C
|
Cl
−H
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