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WHAT IS MEAN BY ISOMERISM?

Isomerism is the phenomenon whereby certain compounds with the same molecular formula exists in different forms owing to their different organisations of atoms .
 Properties of isomers :They have similar chemical properties but different physical properties.
Types of isomerism 
1.Structural isomerism  :It is due to difference in manner of linking of atoms .
2.Chain isomerism  :      It is due to difference in arrangements of carbon atoms in the chain .
3.Position isomerism  :   It is due to difference in position of functional group .
4.Stereo isomerism   :      It is due to difference in arrangement of atoms around the double bond .


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