2.  ISOMERISM
         CLASS 11 ORGANIC CHEMISTRY

 ISOMERISM:When two or more than two compound having same molecular formula but different physical and chemical properties.then it is called Isomerism.

Physical:The structure of compound is called physical properties.

 Chemical:The Functional group which attached with compound it's determine the chemical properties of that compound.

Eg.(i)CH2=CH-CH3   (ii).CH2=CH2