Qualitative Analysis of Carbohydrates HELP Reducing sugars (glucose & lactose) reduce the deep blue solution of copper (II) in the test reagent to red precipitate of insoluble cuprous oxide. Select the test: Fehling's test
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Test tubes from left to right: glucose, lactose, sucrose, starch
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- Based on this video https://www.youtube.com/watch?v=rKng5-ij6kQ Provide a schematic diagram for the Iodine test methodologies in determining the presence of carbohydrates. Also, give the basic principle for the test.Based on this video https://www.youtube.com/watch?v=rKng5-ij6kQ Provide a schematic diagram for the Iodine’s test methodologies in determining the presence of carbohydrates. Also, give the basic principle for the test.Outline a method for a fully quantitative test for reducing sugars. Please keep it simple
- Discuss the correct laboratory technique in using the centrifuge for qualitative analysis. Give two tips on its proper use. Explain how calcium ions are confirmed present in a solid salt by using flame test. Discuss a method to confirm the presence of a) phenol and b) ketone in a test compound. How are proteins confirmed present in a sample? Explain the laboratory process.Describe the evidence of Picric acid test to show a positive result for the presence of a specific sugar in a material or substance.Can you please briefly describe the reaction mechanism that permits the detection of reducing sugars especially with the fehling's test ( please provide all the mechanisms involved in this test ) and also on how to interpret the results from this test Want solution ASAP in detail
- Answer the following: A. Define reducing sugars and their properties B. Among the given tests such as Benedict, Iodine and Reagent Test, which is most highly applicable in biomedical field? Explain.State the principle that underlies the following biochemical tests: a) Methyl red test b) Voges-Proskauer test.Given ß- Cyclodextrin Briefly explain its expected reaction (based on their structural formula) to the different qualitative tests for carbohydrates which are: (a) Molisch’s test (b)Fehling’s test (c) Bial’s test
- Give at least two (2) chemical tests for amino acids/ proteins other than what were performed in this experiment. For each test, cite the respective application and describe the positive result. test that have been performed a.Ninhydrin Test b.Biuret’s Test c.Xanthoproteic Test d.Millon’s Test e.Sakaguchi test f.Hopkins –Cole Test g.Sulfur Reaction or Lead Acetate Testhttps://www.youtube.com/watch?v=rKng5-ij6kQ Provide a schematic diagram for the Seliwanoff’s test methodologies in determining the presence of carbohydrates. Also, give the basic principle for the test. (not a graded question, video is very brief)Give at least two (2) chemical tests for amino acids/ proteins other than what were performed in this experiment. For each test, cite the respective application and describe the positive result. a.Ninhydrin Test b.Biuret’s Test c.Xanthoproteic Test d.Millon’s Test e.Sakaguchi test f.Hopkins –Cole Test g.Sulfur Reaction or Lead Acetate Test