Leaving group (halogen) leaves via heterolytic bond cleavage Nucleophile attacks

Question

Leaving group (halogen) leaves via heterolytic bond cleavage Nucleophile attacks at the same time leaving group leaves via heterolytic bond cleavage Carbocation forms-maybe unstable carbocation rearranges to a more stable carbocation .Leaving group (halogen) leaves as nucleophile attacks carbon bonded to leaving group . 5 member transition state occurs . Transition state collapses with opposite stereochemistry as reactant in product . Transition state collapses with same stereochemistry as reactant in product Nucleophile attacks the carbocation from the right side producing one product exclusively Nucleophile attacks the carbocation from the left side producing one product exclusively Nucleophile attacks the carbocation from the both sides producing two products

Explanation / Answer

SN2 mechanism involves one step mechansim and a bimolecular rate determining transition state is formed. So, no rearrangement carbon cation takes place.

Product has inverted configuration compared with reactant.

So, the incorrect statements for SN2 mechanism are;

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