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Exercises

Exercise

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

Please make a choice.

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!

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Exercise

Solvents can stabilize ions well if they are ...

Please make a choice.

Please make a choice.

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.

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Exercise

Which measure describes the polarity of solvents?

Please make a choice.

Please make a choice.

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.

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Exercise

In which solvents do SN1 reactions proceed rapid?

Please make a choice.

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.

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