Chemistry 4.1 by Holly Jones https://padlet.com/hol_cjones/3qvhlzrjxi05 Made with eyes on the prize en-us 2019-01-30 12:12:16 UTC 2025-11-02 02:25:57 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Soccerball.png Z- Isomer hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794954 Bromine is the higher priority group because it has a higher atomic number.
The bromine is on THE SAME SIDE of the double bond.]]> 2019-01-30 12:12:17 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794954 Types of Stereoisomerism hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794955
  • E-Z Isomerism
  • Optical Isomerism
    • ]]>     2019-01-30 12:12:17 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794955     hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794956
  • Equimolar amounts of each enantiomer in a mixture will form a racemic mixture.
  • These mixtures are sometimes also called racemates.
  • The (+) and (-) rotations of the polarised light will cancel eachother out.
  • Therefore a racemic mixture is not optically active.
    • ]]>     2019-01-30 12:12:17 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794956     Enantiomers hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794957 Enantiomers rotate the plane of polarised light that shines on to them:
    • The positive (+) isomer rotated the plane of polarisation clockwise
    • The negative (-) isomer rotates the plane of polarisation anticlockwise
    ]]>     2019-01-30 12:12:17 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794957     ENANTIOMERS hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794958 Non-superimposable mirror image forms of each other that rotate the plane of polarised light in opposite directions.]]> 2019-01-30 12:12:17 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794958 CHIRAL CENTRE hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794959 A carbon atom attached to four different atoms or groups.]]> 2019-01-30 12:12:17 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794959 Waves hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794960 1) Side angle
    2) End Angle]]>     2019-01-30 12:12:17 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794960     E-Z Isomerism hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794961 To have E-Z isomerism
    • a and b must be different
    • c and d must be different 
    (Needs 2 different groups)
    ]]>     2019-01-30 12:12:17 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794961     hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794962 2019-01-30 12:12:17 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794962 STEREOISOMERISM hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794963 Occurs when the isomers have the same shortened formula but have a different arrangement of atoms in space.]]> 2019-01-30 12:12:18 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794963 Stereoisomerism hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794964 2019-01-30 12:12:18 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794964 E- Isomer hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794965 Bromine is the higher priority group because it has a higher atomic number
    The bromine is on EITHER SIDE of the double bond.]]>     2019-01-30 12:12:18 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794965     OPTICAL ISOMERS hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794966 Isomers that have the same molecular formula and the same structural formula, but have a different effect upon plane polarised light.
    The isomers are non-superimposable mirror images of each other.]]>     2019-01-30 12:12:18 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794966     STRUCTURAL ISOMERS hol_cjones https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794967 Compounds with the same molecular formula but different structural formulas (arrangement of atoms)]]> 2019-01-30 12:12:18 UTC https://padlet.com/hol_cjones/3qvhlzrjxi05/wish/325794967