Q39 of 312 Page 222

Explain the meaning of saturated and unsaturated hydrocarbons with two examples each.

Saturated hydrocarbons: The hydrocarbons in which all the carbon atoms are connected by only single bonds are called saturated hydrocarbons or alkanes.

The general formula of saturated hydrocarbons is CnH2n+2, where, n=number of carbon atoms in a one molecule of hydrocarbon.


Example: Methane (CH4), Ethane (C2H6), Butane (C4H10)


Unsaturated hydrocarbons: The hydrocarbons in which atleast one double or triple bond is present along with single bonds are called unsaturated hydrocarbons.



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38 Give the IUPAC names for the following:




 39 What are hydrocarbons? Explain with examples. 39 Give the names and structure formulae of one saturated cyclic hydrocarbon and one unsaturated hydrocarbon. 39 Give one example of a hydrocarbon, other than pentane, having more than three isomers.