Question

GIVE REASON While UNSATURATED HYDROCARBON show addition reaction but not saturated

Answer 1

The bonds of saturated hydrocarbons are already satisfied with one atom each. So it cannot undergo the addition of more Hydrogen. While in the case of Unsaturated Hydrocarbons to convert the double bonds into single bonds that is make the atoms connected with single bond each..Addition Reaction is performed.

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Answer 2

Addition reaction is a type of reaction in which two or more molecules combine with each other to form a single substance. ... Substitution reaction does not add any atom to the hydrocarbon because it takes place only in saturated hydrocarbons(containing only single bonds).