optical isomerism definitions 0.0 / 5 ? Chemistryoptical isomerismA2/A-levelAQA Created by: Lucybarrow444Created on: 03-10-19 11:40 chiral a molecule which can exist as a pair of optical isomers is said to be chiral 1 of 11 chiral centre the carbon which is attracted to four different groups is called the chiral centre 2 of 11 stereogenic centre another name for a chiral centre is a stereogenic centre 3 of 11 asymmetric carbon another name for a chrical center is asymmetric carbon 4 of 11 enantiomer each optical isomer can also be called an anantiomer 5 of 11 enantiomerically pure if a sample contains only one optical isomer it is said to be enantiomerically pure 6 of 11 optically active an enantiomerically pure compound is optically active as it will rotate the plane of polarised light 7 of 11 racemic mixture a mixture which contains equal quantities of enantiomers 8 of 11 plane of polarised light light in which all the waves vibrate in the same plane. 9 of 11 laevorotatory (L) (anticlockwise -) rotates the plane to the left 10 of 11 dextrorotatory (D) clockwise + rotates the plane to the left 11 of 11
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