# Exercises

Exercise

What is the deciding effect of a solvent that is adequate for $SN1$ reactions?

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Please make a choice.

correct

wrong

partly correct

This is the right answer

 It stabilizes the nucleophile and the intermediate stage. No, sorry. It stabilizes the nucleophile. Sorry, that is wrong. It stabilizes the product and the intermediate carbocation. No. It stabilizes the transition state of the rate-determining step. Correct!
Exercise

Solvents can stabilize ions well if they are ...

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correct

wrong

partly correct

This is the right answer

 ... non-polar. Sorry, that is wrong. ... bipolar. No, sorry. ... cold. No. ... polar. Yes, that is correct! ... antarctic. Sorry, that is wrong.
Exercise

Which measure describes the polarity of solvents?

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correct

wrong

partly correct

This is the right answer

 Electric constant. Sorry, that is wrong. Dielectric constant. Correct. Boiling point. No, sorry. Solubility. Sorry, that is wrong. Hammond constant. No, sorry.
Exercise

In which solvents do $SN1$ reactions proceed rapid?

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Please make a choice.

correct

wrong

partly correct

This is the right answer

 In non-polar solvents. No, sorry. In hygroscopic solvents. No. In polar solvents. Yes, that is correct! In aromatic solvents. Sorry, that is wrong.