1207200
Description
Mind Map by linpubotwheeds, updated more than 1 year ago
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Created by linpubotwheeds
over 10 years ago
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Isomerism
- Structural isomerism
- chain isomerism
- same functional gp
- structural isomers that differ in the length of the main carbon chain
- same functional gp
- Position isomerism
- differ only in the position of the functional group
- same functional gp
- differ only in the position of the functional group
- Functional Group isomerism
- belongs to different homologous series
- belongs to different homologous series
- chain isomerism
- Stereoisomerism
- cis-trans isomerism
- when there is C=C double bond, rotation is restricted
- CIS-
- same side
- has net dipole moment
- a slightly more polar molecule
- higher boiling point
- a slightly more polar molecule
- same side
- TRANS-
- Opposite side
- no net dipole moment
- non-polar
- lower boiling point
- non-polar
- Opposite side
- when there is C=C double bond, rotation is restricted
- Enatiomerism
- image is not superimposable
- a carbon atom bonded to 4 different atoms / functional groups
- middle carbon: chiral* carbon
- similar physical properties
- different interaction with polarized light
- plane of polarized light is rotated
- can be measured using a polarimeter
- |+x|=|-x|: same extent of rotation
- plane of polarized light is rotated
- image is not superimposable
- cis-trans isomerism
- def: same molecular formula but different arrangements of atoms in space
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