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Enantiomers are having same chemical formula but they are non- superimposable mirror images of each other. Enantiomers should have one chiral center and these are having same physical and chemical properties.

Two types of enantiomers are there i.e. erythro enantiomers and threo enantiomers. The enantiomers having similar groups on the same side are known as erythro enantiomers and the enantiomers having similar groups on the different side are known as threo enantiomers.

Enantiomers have different configurations.

Example of erythro and threo enantiomers:

In the presence of ozonolysis reaction will take place. In this reaction oxidative cleavage of double bond will take place and we will get the product mixture as shown below:

In this the product of reaction has one chiral center having four different groups and this is enantiomer therefore, it will rotate plane polarized light.