g Which statement about the rate of an SN1 reaction is incorrect? The solvent used can affect the rate of reaction. The concentration of reactants have no effect on the rate of reaction. The temperature can affect the rate of reaction. The strength of the nucleophile has no effect on the rate of reaction.

Question

Chemistry

Meyer

13 July, 04:57

g Which statement about the rate of an SN1 reaction is incorrect? The solvent used can affect the rate of reaction. The concentration of reactants have no effect on the rate of reaction. The temperature can affect the rate of reaction. The strength of the nucleophile has no effect on the rate of reaction.

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Answers (1)

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Roy Gibbs · Answer 1

The concentration of reactants have no effect on the rate of reaction.

Explanation:

The strength of the nucleophile doesn't affect the reaction rate of an SN1 since the nuleophile is not involved in the rate determining step. Increasing the concentration of the substrate (which is a reactant) increases the rate of reaction even though increasing the concentration of the nucleopohile has no effect on the rate of reaction. The use of polar protic solvents assist an SN1 reaction hence the solvent used can affect the rate of reaction. However, temperature affects an SN1 reaction. Increasing the temperature will increase the rate of E1 elimination reaction rather than the SN1 reaction since the both are competing reactions. Lowering the temperature favours SN1 reaction. Hence the answer.