The SN1reaction is generally given by?

a) 1(degree)R-X
b) 2(degree) R-X
c) 3(degree) R-X
d) None

Answer:
c)tertiary alkyl halides.
Aaron is right (as far as I can tell).

Also, the product that results is a tertiary alcohol (3*R-OH).

Due to the formation of the planar intermediate carbo-cation (immediately following nucleophile attack and removal of the halide), SN-1 is generally a non-stereospecific reaction, generally resulting in a racemic (two enantiomer) mixture.

This contrasts with SN-2, which by definition inverts the stereochemistry of the reactant (a process known as "backside attack").


[n.B. -- sorry, I think I answered this question just to use the term "backside attack"... hehehehehe]
if we analyse the mechanism of SN1 reaction we see that the mechanism involves the formation of the planar carbocation in the slow step of the reaction .now stabler the carbocation more easily the carbocation formed .now as among the alkyl halides given the tertiary alkyl halide gives the stablest carbocation the 3(degree)R-X gives the reaction.

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