Required Practical 5 - Distillation of a Product from a Reaction (AQA A-Level Chemistry): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What property does distillation use to separate products?
What property does distillation use to separate products?
Boiling point differences
Which product is prepared from cyclohexanol in this practical?
Which product is prepared from cyclohexanol in this practical?
Cyclohexene
What volume of concentrated phosphoric acid is added?
What volume of concentrated phosphoric acid is added?
8 cm³
Why is a water bath used instead of an open flame?
Why is a water bath used instead of an open flame?
Cyclohexanol is flammable
What is the purpose of anti-bumping granules?
What is the purpose of anti-bumping granules?
Ensure even boiling
Below what temperature should the distillate be collected?
Below what temperature should the distillate be collected?
100°C
Which layer contains crude cyclohexene after separation?
Which layer contains crude cyclohexene after separation?
Upper organic layer
What is the role of anhydrous calcium chloride?
What is the role of anhydrous calcium chloride?
Drying agent to remove water
What colour change confirms the presence of cyclohexene with bromine water?
What colour change confirms the presence of cyclohexene with bromine water?
Orange to colourless
How can evaporation losses be minimized?
How can evaporation losses be minimized?
Use a water-cooled condenser