Read the following statements carefully and choose those that are NOT associated with an \(\mathrm{S_N1}\) reaction: I. Reaction rate is affected by solvent polarity II. Reaction proceeds with…
Question and options
Read the following statements carefully and choose those that are NOT associated with an reaction:
I. Reaction rate is affected by solvent polarity
II. Reaction proceeds with complete inversion of configuration
III. Rearrangement is possible
IV. The strength of nucleophile is important in determining rate.
I. Reaction rate is affected by solvent polarity
II. Reaction proceeds with complete inversion of configuration
III. Rearrangement is possible
IV. The strength of nucleophile is important in determining rate.
- II and IV
- I and IV
- II and III
- I and III
Answer and explanation
Correct answer: A - II and IV
proceeds via a carbocation: its rate depends on solvent polarity (I true) and rearrangements are possible (III true), but it gives racemization rather than complete inversion (II not ) and the rate does not depend on the nucleophile (IV not ). So II and IV.
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