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ISOMERISM - Coggle Diagram
ISOMERISM
STEREO ISOMERISM
Optical
Dextrorotatory
Positive isomer
Levorotatory
Negative isomer
Same molecular formula
Same structural formula
Retrictions
Chiral centre
Non super imposible mirror images
Geometrical
In alkenes only
Restricted rotation
Cis
Similar Atoms top and below the plane
Less stable
Greater dipole moment
Trans
Altered Atoms top and below
More stable
Different chemical and physical properties
Not all double bond possession geometrical isomer
Spatial arrangement
Same structure
Different atom arrangement
SRUCTURAL ISOMERISM
Functional
Same molecular formula
Functional group changes
Atoms arrangement changes
Metamerism
Functional group remains same
Both end has unequal C atoms distribution
Cannot be made for aldehyde and carboxylic acid
Position
C chain remains same
Functional group remains same , but position changes
Tautomerism
Position of electron and proton differs
Chain
Straight
Branched
Different structures
Same molecular formula
Different properties
Same molecular formula
Different structural formula
Simplest butane
