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Old Nov 7th 2017, 05:59 PM   #1
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Join Date: Nov 2017
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Oxidation of Aldehyde and Ketones

Hey there,
So we did this lab right and we tested two cabonyl compounds under the aim differentiating between aldehydes and ketones using their reactions with Tollens Reagent, Fehling’s Solution and acidified potassium dichromate.

Carbonyl A tested positive for tollens', fehling's while carbonyl B tested negative for all three.

The question is, why did Carbonyl A test negative for the reaction with acidified potassium dichromate if it was pointing towards being an aldehyde.

The lecturer gave the hint that is in its cyclic form.

If you wish to get the methods feel free to contact me
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