Practice Exams › Organic Chemistry — Nucleophilic Substitution (SN1/SN2) › Question #26
Intro-College-Stem Organic-Chemistry
The rate law for an SN1 reaction is:
1
rate = k[substrate]
✓ Correct Answer

Explanation

SN1 is unimolecular in the rate-determining step (ionization of the substrate to a carbocation); rate = k[substrate]. The nucleophile concentration does not appear in the rate law because it is not involved until after the rate-determining step.

📄 Source: https://chem.libretexts.org/Bookshelves/Organic_Chemistry/Map%3A_Organic_Chemistry_(Vollhardt_and_Schore)/07._Further_Reactions_of_Haloalkanes/7.2%3A_The_SN1_Reaction

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