Podcast
Questions and Answers
Match the following with their characteristics:
Match the following with their characteristics:
Fehling's solution = Negative for ketone Tollens' test = Positive for ketone having alpha hydroxy group
Match the following with their reactions:
Match the following with their reactions:
Aldehyde = Positive in Tollens' test Ketone = No reaction with Fehling's solution Ketone with alpha hydroxy group = Positive in Tollens' test
Match the following with their test results:
Match the following with their test results:
Fehling's solution test = Shows no reaction with ketones Tollens' test = Negative result with ketones
Fehling solution A is aqueous copper sulphate and Fehling solution B is alkaline sodium potassium tartarate. These two solutions are mixed in equal amounts before ______.
Fehling solution A is aqueous copper sulphate and Fehling solution B is alkaline sodium potassium tartarate. These two solutions are mixed in equal amounts before ______.
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Ketones are not easily oxidized, thus they do not reduce Fehling’s solution or Tollen’s reagent. But a-hydroxy ketones readily ______.
Ketones are not easily oxidized, thus they do not reduce Fehling’s solution or Tollen’s reagent. But a-hydroxy ketones readily ______.
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Sodium nitroprusside test is positive for ______ compounds.
Sodium nitroprusside test is positive for ______ compounds.
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Treat some organic compound with few drops of freshly prepared solution of sodium nitroprusside followed by excess of NaOH solution. A wine-red color is ______.
Treat some organic compound with few drops of freshly prepared solution of sodium nitroprusside followed by excess of NaOH solution. A wine-red color is ______.
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Jones (Chromic Acid) Oxidation Test for Aldehydes is positive for ______.
Jones (Chromic Acid) Oxidation Test for Aldehydes is positive for ______.
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A positive test for aldehydes with Jones (Chromic Acid) Oxidation Test is marked by the formation of a ______ color.
A positive test for aldehydes with Jones (Chromic Acid) Oxidation Test is marked by the formation of a ______ color.
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Primary and secondary alcohols give a positive test with Jones (Chromic Acid) Oxidation Test, but ______ alcohols do not.
Primary and secondary alcohols give a positive test with Jones (Chromic Acid) Oxidation Test, but ______ alcohols do not.
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Schiff test for aldehydes involves treating the compound with ______ followed by excess of NaOH solution.
Schiff test for aldehydes involves treating the compound with ______ followed by excess of NaOH solution.
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A positive Schiff test for aldehydes results in the formation of a ______-red color.
A positive Schiff test for aldehydes results in the formation of a ______-red color.
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