What colour change of Fehlings solution should I expect?

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Offline thegers91

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What is the colour change of fehlings solution when it is used as an oxidising agent to change an aldehyde to a carboxylic acid? (it doesn't tell me in my study book)
« Last Edit: 28/04/2008 10:46:54 by BenV »

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Offline Bored chemist

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Re: What colour change of Fehlings solution should I expect?
« Reply #1 on: 10/04/2008 19:29:10 »
Really, you need a better book.
A bit more effort with google wouldn't do any harm too.
http://jchemed.chem.wisc.edu/JCESoft/cca/cca5/MAIN/1ORGANIC/ORG18/FEHLTEST/MOVIE.HTM
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Offline lightarrow

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Re: What colour change of Fehlings solution should I expect?
« Reply #2 on: 11/04/2008 13:38:54 »
Really, you need a better book.
Agree.
In this document in italian, the first picture shows the reactive, the second shows the brick colour of Cu2O formed:
http://www.davincialba.it/didattica/lab-chimica/biochimica/Fehling.htm

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Offline thegers91

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Re: What colour change of Fehlings solution should I expect?
« Reply #3 on: 12/04/2008 09:14:12 »
thanks very much