CBSE Class 10 Science 2017 Delhi Term II Set 2 Paper

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Question : 6
Total: 9
Two carbon compounds X and Y have the molecular formula C3H6 and C4H10 respectively. 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 this case.
Solution:  
C3H6 is propene i.e., unsaturated hydrocarbon. C4H10 is butane i.e., saturated hydrocarbon. Thus propene being unsaturated shows addition reaction.
CH3CH=CH2+Cl2
CH3CH
|
Cl
CH2Cl
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