What is the rate law for the SN1 reactions (S is substrate and N is nucleophile) ?

Question

Quizplus · Accepted Answer

For SN1 (unimolecular nucleophilic substitution) reactions, the rate-determining step involves only one reactant - the substrate (S) - which undergoes a slow step to form a carbocation intermediate. The nucleophile (N) then quickly attacks the carbocation to form the product. Therefore, the rate law only depends on the concentration of the substrate, and not the nucleophile. The rate law for SN1 reactions is therefore rate = k[S].

What Is the Rate Law for the SN1 Reactions (S