1.

Racemisation increases with :

Answer»

Increases in stability of carbocation
increases in basicity of leaving group
increases in solvent POLARITY
increses in activation energy of rate determining step (rds)

Solution :Increases in solvent polarity , increases the LIFETIME of carbocation and stability of carbocation facilitates LONGER ATTACK from both FACE without hindrance, hence racemization more.Moreover solvent polarity decreases the ion-pair interaction also.


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