A student was given four colourless liquids that were labelled A, B, C and D - VCE - SSCE Chemistry - Question 1 - 2006 - Paper 1
Question 1
A student was given four colourless liquids that were labelled A, B, C and D. They were known to be ethanol, ethanoic acid, pentane and hexene, but the exact identit... show full transcript
Worked Solution & Example Answer:A student was given four colourless liquids that were labelled A, B, C and D - VCE - SSCE Chemistry - Question 1 - 2006 - Paper 1
Step 1
Identify Liquid A
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Answer
Liquid A is hexene because it is insoluble in water, reacts with bromine solution (the colour disappears), and produces gas when sodium carbonate is added.
Step 2
Identify Liquid B
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Answer
Liquid B is ethanoic acid since it is soluble in water, shows no immediate reaction with bromine, and does not react with sodium carbonate.
Step 3
Identify Liquid C
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Answer
Liquid C is ethanol as it is soluble in water, does not react with bromine, and presents no reaction with sodium carbonate.
Step 4
Identify Liquid D
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Answer
Liquid D is pentane because it is insoluble in water, shows no immediate reaction with bromine, and presents no reaction with sodium carbonate.
