HARD
AS and A Level
IMPORTANT
Earn 100
Discuss the mechanism of nucleophilic addition-elimination in the reaction between ethanoyl chloride and dimethylamine. Then try showing the mechanism using curly arrows.
Important Questions on Carboxylic Acids and their Derivatives
MEDIUM
AS and A Level
IMPORTANT
Which nucleophile you would expect to be most effective: ammonia, a primary amine or a secondary amine. Explain the inductive effect of alkyl groups.
EASY
AS and A Level
IMPORTANT
Acyl chlorides and carboxylic acids can both be used to prepare esters. Give the reagents and conditions required to make ethyl ethanoate directly from a carboxylic acid.
EASY
AS and A Level
IMPORTANT
Acyl chlorides and carboxylic acids can both be used to prepare esters. Write an equation to show the formation of ethyl ethanoate directly from a carboxylic acid.
MEDIUM
AS and A Level
IMPORTANT
Acyl chlorides and carboxylic acids can both be used to prepare esters. Give the reagents and conditions required to make phenyl benzoate directly from an acyl chloride.
MEDIUM
AS and A Level
IMPORTANT
Acyl chlorides and carboxylic acids can both be used to prepare esters. Write an equation to show the formation of phenyl benzoate directly from an acyl chloride.
EASY
AS and A Level
IMPORTANT
Acyl chlorides and carboxylic acids can both be used to prepare esters. Describe what you see happen in this reaction i.e. the formation of phenyl benzoate directly from an acyl chloride.
MEDIUM
AS and A Level
IMPORTANT
Acyl chlorides and carboxylic acids can both be used to prepare esters. Describe two advantages that acyl chlorides have over carboxylic acids in the preparation of esters in industry.
EASY
AS and A Level
IMPORTANT
Give the name and formula of a reagent that can be used to prepare butanoyl chloride from butanoic acid.
