Answers

2016-05-07T08:07:54+05:30
Unsaturated hydrocarbons go fot addition reactions.
they are Alkenes and alkynes.
These are different from alkanes which are saturated.they go for substituion where as alkenes and alkyes go for addition reaction.
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2016-05-07T08:10:13+05:30
 Unsaturated hydrocarbons undergo addition reactions, which are addition reactions are given by all the alkenes and alkynes. This is because reactants add to the carbon atoms of C = C double and C = C bond to form a single product of saturated hydrocarbon. 
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