Isomers

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  • Isomers
    • Same molecular formula but atoms arranged differently
    • Structural Isomers
      • Same molecular formula but different structural formula
      • Positional Isomers
        • The same functional groups attached to the main chain at different points
      • Functional Group Isomers
        • Functional groups that are different
      • Chain Isomers
        • Different arrangement of the hydrocarbon chain i.e. branching
    • Makes detecting unknown difficult as same molecular formula so need analytical methods
    • Stereo-isomerism
      • Same structural formula but different arrangement of bonds
      • Position of substituents either side of C=C
        • Substituents rotate around single bond
        • Subsituants on the same side= Z = Cis
        • Substituants on different side = E= Trans

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