Description of experiment
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Needed compounds:
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methanol : CH3OH
sodium hydroxide : NaOH
copper sulfate penta hydrate : CuSO4 . 5H2O
Class:
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elem=Cu
redox
precipitate
Summary:
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Copper hydroxide is not capable of oxidizing methanol.
Description:
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Add a solution of sodium hydroxide to a solution of copper sulfate: A blue
precipitate is formed. On shaking this goes as little flakes into the
liquid which float around slowly.
Add some methanol: The methanol mixes with the blue suspension, but no
further visible changes occur. The precipitate remains blue. Also after
heating to appr. 60 C the precipitate remains blue.