between sn1 and sn2 reaction which one proceeds with recemisation
Answers
Answer:
An Sn2 and Sn1 reaction mechanism. Sn2 reactions are bimolecular in rate of reaction and have a concerted mechanism. ... On the other hand, Sn1 reactions are unimolecular in rate of reaction and have a step-wise mechanism. This process first involves bond cleavage by the LG to generate a carbocation intermediate
Answer:
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Explanation:
Consider the following points of difference.
Explanation:
SN1 Reaction
It is Substitution Nucleophilic Unimolecular reaction.
Proceeds in two steps.
First step is the slow one involving dissociation of the substrate to form carbocation intermediate. Second step is the fast one in which the carbocation combines with the attacking Nucleophile.
More stable carbocation
→
faster is the reaction
It is favored by polar solvents.
Mostly given by tertiary alkyl halides.
It occurs with Racemization.
It follows
1
s
t
order kinetics.
Rate=k[R-X]
SN2 Reaction
It is Substitution Nucleophilic Bimolecular reaction.
Proceeds in a single step which is the rate determining step.
It is favored by non polar solvents.
Mostly given by primary alkyl halides.
Nucleophilic addition takes place from the opposite side of the Leaving group.
It occurs with 100% inversion of configuration.
It follows
2
n
d
order kinetics.
Rate=k[R-X][Nu]