Core practical 5 - investigate the oxidation of ethanol
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Write an equation for the oxidation of ethanol to ethanoic acid. Use [O] to represent the oxidising agent.
CH3CH2OH + 2[O] → CH3COOH + H2O
2
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Write an equation for the reaction of the distillate with magnesium.
2CH3COOH + Mg → Mg(CH3COO)2 + H2
3
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Write an equation for the reaction of the distillate with calcium carbonate
2CH3COOH + CaCO3 → Ca(CH3COO)2 + H2O + CO2
4
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Explain the results of the tests involving acidified potassium dichromate and Fehling’s solution.
There is no change with acidified potassium dichromate as all the ethanol is oxidised. There is no change with Fehling’s solution as oxidation goes to completion.
Note 
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