Nucleophilic Addition–Elimination (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
Why are acyl chlorides more reactive than acid anhydrides?
Why are acyl chlorides more reactive than acid anhydrides?
is more electronegative than
What intermediate forms when a nucleophile attacks the carbonyl carbon?
What intermediate forms when a nucleophile attacks the carbonyl carbon?
Tetrahedral intermediate
What are the products when ammonia reacts with an acyl chloride?
What are the products when ammonia reacts with an acyl chloride?
Non-substituted amide and
What by-product forms when ammonia reacts with an acid anhydride?
What by-product forms when ammonia reacts with an acid anhydride?
Carboxylic acid ()
What leaving group is eliminated from acid anhydrides in the mechanism?
What leaving group is eliminated from acid anhydrides in the mechanism?
Carboxylate ion ()
What observation occurs when ammonia reacts with an acyl chloride?
What observation occurs when ammonia reacts with an acyl chloride?
White fumes of
Why is reacting ammonia with haloalkanes not generally used to prepare primary amines?
Why is reacting ammonia with haloalkanes not generally used to prepare primary amines?
Produces mixture of amine classifications
What conditions are needed to reduce nitriles to primary amines?
What conditions are needed to reduce nitriles to primary amines?
with Ni catalyst, high temp & pressure
What type of amines are prepared by reduction of nitriles?
What type of amines are prepared by reduction of nitriles?
Aliphatic amines
How many moles of are needed to reduce one mole of nitro compound ()?
How many moles of are needed to reduce one mole of nitro compound ()?
3 moles
