what is optical isomerism
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Answer:
Optical isomers are two compounds which contain the same number and kinds of atoms, and bonds (i.e., the connectivity between atoms is the same), and different spatial arrangements of the atoms, but which have non-superimposable mirror images. Each non-superimposable mirror image structure is called an enantiomer.
◇ Compounds having same physical and chemical property but differ only in the rotation of plane of the polarized light are known as optical isomers and the phenomenon is known as optical isomerism.
◇ The optical isomer, which rotates the plane of the plane polarised light to the right or in clockwise direction is said to be dextrorotary denoted by the sign (+), whereas the compound which rotates to the le or anticlockwise is said to be leavo rotatory denoted by sign(-).
Eg. d and I glucose.