The rate of E1 reactions depend upon?
The rate of E1 reactions depend upon?
Explanation
The rate of E1 reactions depend only on the concentration of the substrate.
E1 reactions are unimolecular elimination reactions.
This means the rate-determining step involves the formation of a carbocation from the substrate molecule.
Since the reaction only depends on the breakdown of the substrate molecule, the concentration of the nucleophile does not affect the rate.