Differentiate between position isomers, chain isomers, functional isomers and allotropes.

Dear student

 

Compounds that have same molecular formula but different structural formula are called  isomers 

Chain isomers are compunds which have same molecuelar formula but differ in their structure with respect to the length of  the carbon chain. The possible structural isomers of pentane are:

 

 

  Positional isomers are the compounds with the same molecuelar formula but differ in

which the the structures are different due to the difference in position of functional group such as double bond

 

functional isomers differ with respect to functional group

 For example Butene and cyclic butane have the same molecuelar formula C₄H₈ but one has a double bond while other is a closed ring structure

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