Practical

Question 1

how to use a separating funnel

Answer 1

• shake mixture and leave to settle in the separating funnel
• open the tap to separate the layers
• add a drying agent to the organic layer
• redistill the organic

Question 2

drying agents

Answer 2

• anhydrous magnesium sulfate
• anhydrous calcium chloride

Question 3

how could you use TLC to monitor the progress of a reaction?

Answer 3

• place spots of controls on TLC plate
• place a spot of the reaction mixture at regular intervals alongside controls
• compare Rf values

Question 4

what controls would you use when measuring the progress of a reaction using TLC?

Answer 4

• solution of reactant
• solution of product