Create a concept map employing the different chemical tests for the differentiation of the types of carbohydrates. Use the following: Solubility Test Molisch test Benedict test Seliwanoff's test Fehling's test Iodine reaction Osazone test Bial's test Barfoed's test
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Create a concept map employing the different chemical tests for the differentiation of the types of carbohydrates.
Use the following:
- Solubility Test
- Molisch test
- Benedict test
- Seliwanoff's test
- Fehling's test
- Iodine reaction
- Osazone test
- Bial's test
- Barfoed's test
(Again, these tests are to be used in plotting the map. These are not subparts but outlines of the content.)
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- Which test can be used to differentiate the following pairs of carbohydrates? Explain why and why other tests are not possible. Kindly answer a, b, and c. a. Fructose and galactose b. Ribose and glucose c. Glucose and maltose Different tests are: Molisch Test, Seliwanoff's Test, Bial's Test, Anthrone's Test, Barfoed's Test, and Osazone TestPlease answer clearly and directly. Mucic test is used to detect galactose in a sample as galactaric acid is formed. However, since lactose is a disaccharide made of galactose and glucose, it also gives positive result to the test. Propose a test that will help you determine which of the two is presentWhich test can be used to differentiate the following pairs of carbohydrates? a. Fructose and galactose b. Ribose and glucose c. Glucose and maltose
- Name at least three test reactions for lipids. Briefly explain the the principle of each test and describe its positive result.Create a concept map employing the different chemical tests for the differentiation of the types of carbohydrates.Which unknown solution contains the highest concentration of sucrose? Three lab groups carried out an experiment to identify the concentration of sucrose in six solutions. Each unknown solution (1-6) contained one of the following sucrose concentrations: 0.0 M, 0.2 M, 0.4 M, 0.6 M, 0.8 M, and 1.0 M. Cubes of sweet potato (1 cm3) were soaked for 24 hours in each solution and weighed to determine the change in mass. Each data entry represents the average of three sample replicates expressed as percent change in mass following a 24-hour soak in the unknown solutions. Unknown Percent Change in Mass Percent Change in Mass Percent Change in Mass Group 1 Group 2 Group 3 1 6.6 7.8 7.5 2 3.1 3.7 2.9 3 -2.7 -3.5 -2.5 4 0.7 0.5 1.1 5 -11.6 -12.3 -12.6 6 -5.2 -6.2 -4.9 Which unknown solution contains the highest concentration of sucrose? a) 3 b) 4 c) 5 d) 1
- Give a scientific background, hypothesis and theoretical background about qualitative reaction of carbohydrates for lugol’s test, seliwanoff’s test, barfoed test and benedict’s test.Which of the following statements best explains the positive result of the acid hydrolysate of sucrose for benedict's test? A. The acid hydrolysate of sucrose contains glucose only B. The acid hydrolysate of sucrose contains fructose only C. Both glucose and fructose are present in the acid hydrolysate of sucrose D. Neither glucose nor fructose is present in the acid hydrolysate of sucroseDESCRIBE THE RESULTS OF THE REDUCTION TEST FOR SUGARS USING THE FOLLOWING TEST MOLISCH’S TEST SUGAR RESULT 1. Glucose 2. Sucrose 3. Maltose 4. Fructose 5. Lactose 6. Galactose
- https://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)DESCRIBE THE RESULTS OF THE REDUCTION TEST FOR SUGARS USING THE FOLLOWING TEST SELIWANOFF’S TEST SUGAR RESULT 1. Glucose 2. Sucrose 3. Maltose 4. Fructose 5. Lactose 6. GalactoseA. Biuret TestMix 1 mL of sample with 1 mL of 5% NaOH. Add 2 – 3 drops of 1% CuSO4. Question 1: What is the chemical equation of the reaction. Will it give positive reactions to all types of proteins? How about peptides and amino acids? Explain briefly.