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Figure 10 shows a flask fitted with a cotton wool plug - Edexcel - GCSE Chemistry - Question 10 - 2020 - Paper 1
Question 10
Figure 10 shows a flask fitted with a cotton wool plug. The flask contains an aqueous solution of a carbohydrate. (i) State two steps that need to be taken to turn ... show full transcript
Worked Solution & Example Answer:Figure 10 shows a flask fitted with a cotton wool plug - Edexcel - GCSE Chemistry - Question 10 - 2020 - Paper 1
Step 1
State two steps that need to be taken to turn the solution of the carbohydrate in the flask into a solution of ethanol.
Answer
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Heat the aqueous solution of the carbohydrate to evaporate the water content, ensuring that the solution is concentrated.
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Add ethanol to the concentrated carbohydrate solution to facilitate the dissolution of the carbohydrate into ethanol.