Manufacture of Aspirin (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What type of reaction is used to synthesise aspirin from salicylic acid?
What type of reaction is used to synthesise aspirin from salicylic acid?
Acylation
Which two reactants are used in the manufacture of aspirin?
Which two reactants are used in the manufacture of aspirin?
Salicylic acid & ethanoic anhydride
What type of compound is aspirin?
What type of compound is aspirin?
An ester
What is the role of ethanoic anhydride in aspirin synthesis?
What is the role of ethanoic anhydride in aspirin synthesis?
Acylating agent
Which functional group in salicylic acid undergoes acylation?
Which functional group in salicylic acid undergoes acylation?
Phenolic group
Why is ethanoic anhydride preferred over ethanoyl chloride industrially?
Why is ethanoic anhydride preferred over ethanoyl chloride industrially?
It is cheaper to produce
How does ethanoic anhydride's reactivity compare to ethanoyl chloride?
How does ethanoic anhydride's reactivity compare to ethanoyl chloride?
Less reactive
What by-product is formed when ethanoyl chloride is used instead of ethanoic anhydride?
What by-product is formed when ethanoyl chloride is used instead of ethanoic anhydride?
Hydrogen chloride gas
What by-product forms in the aspirin synthesis using ethanoic anhydride?
What by-product forms in the aspirin synthesis using ethanoic anhydride?
Ethanoic acid
What characteristic makes ethanoyl chloride reactions difficult to control industrially?
What characteristic makes ethanoyl chloride reactions difficult to control industrially?
Very fast & highly exothermic