Sun October 14, 2012 By:

what is retention,inversion?

Expert Reply
Mon October 15, 2012

Retention - Preservation of the spatial arrangement of bonds at an asymmetric centre during a chemical reaction.

Inversion - In the SN2 reaction, the nucleophile attacks from the back and the leaving group i.e. the haolgen leaves from front. This causes an inversion of configuration.

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