Rationalised 2023-24
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Chemistry
two types of crystals Dutch scientist, J Van’t Hoff and French
scientist, C Le Bel in the same year (1874), independently
argued that the spatial arrangement of four groups (valencies)
around a central carbon is tetrahedral and if all the substituents
attached to that carbon are different, the mirror image of the
molecule is not superimposed (overlapped) on the molecule;
such a carbon is called asymmetric carbon or stereocentre