Carboxylic Acid Derivatives (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What defines a carboxylic acid derivative?
What defines a carboxylic acid derivative?
Can be hydrolyzed to form parent acid
When naming esters, which part comes first?
When naming esters, which part comes first?
Alcohol part, then acid part
What catalyst is needed for esterification?
What catalyst is needed for esterification?
Concentrated
What is the key difference between acid and alkaline hydrolysis of esters?
What is the key difference between acid and alkaline hydrolysis of esters?
Acid gives carboxylic acid; alkaline salt
Which reagent prepares acyl chlorides from carboxylic acids?
Which reagent prepares acyl chlorides from carboxylic acids?
Thionyl chloride ()
How does the reactivity of acid anhydrides compare to acyl chlorides?
How does the reactivity of acid anhydrides compare to acyl chlorides?
Acid anhydrides are less reactive
How many moles of are needed per mole of acyl chloride to form a primary amide?
How many moles of are needed per mole of acyl chloride to form a primary amide?
2 moles
Why are acyl chlorides highly reactive?
Why are acyl chlorides highly reactive?
Chlorine is a good leaving group
What shape changes occur during nucleophilic addition-elimination?
What shape changes occur during nucleophilic addition-elimination?
Trigonal planar → tetrahedral → planar
What type of product forms from alkaline hydrolysis of esters?
What type of product forms from alkaline hydrolysis of esters?
Carboxylate salt and alcohol
