4) If you want to form a thermodynamic enolate, you want to: 4) A) Keep the reac

Question

4) If you want to form a thermodynamic enolate, you want to: 4) A) Keep the reaction as cold as possible. B) Use a protic solvent such as ethanol. C) Use a carboxylic acid. D) Use an aprotic solvent such as THF 5) Which of the following is the intermediate for halogenation of ketones under acidic 5) conditions? A) An enol B) An C) A D) An epimer tautomer enolate 6) Why is it difficult to stop the halogenation of ketones under basic conditions at the 6) mono-halogenated stage? A) The ketone is reduced. B) The ketone undergoes a Bayer-Villigar oxidation. C) The ketone undergoes an Aldol reaction. D) The bromine helps to stabilize the second enolate, making the product more acidic than the starting material.

Explanation / Answer

4] Option B

Using a protic solvent, such as ethanol.

5] Option A

An enol  

6] Option D

The bromine helps to stabilize the second enolate, making the product more acidic than the starting material.

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