Q: Give the structure and name of the product when the galactose is treated with CuSO4 HNO3 Primary…
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Q: Convert the following structures to the designated required configurations. Show the step-by-step…
A: Answers are explained below.
Q: Give the significance of prefix ‘D’ in the name D-(+)-glucose.
A: "D" refer to "the configurations of different carbon atoms in the molecule.
Q: Which among the statements below explain(s) why fructose gives a positive result to the Tollen’s…
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Q: Identify the sugar in description. A sugar that is not d-altrose forms d-altraric acid when it is…
A: Given: When a sugar which is not D-altrose is oxidized with nitric acid, it will form D-altraric…
Q: What is the distinctive molecular composition of reducing sugars?
A: There are many chemical reactions occur in living organism and are called as biochemical reactions.…
Q: Write the equation of reactions of Glucose+Cu(OH)2(heat) Glucose+HNO3 a-D-glucopyranose+(CH3CO)2O…
A: a. C6H12O6 +2 Cu(OH)2 ------------------> C6H12O7 + CuO2 + 2H2O b.
Q: Consider fructose-1-phosphate, fructose-1,6-bisphosphate, and fructose-2,6-bisphosphate. Identify…
A: Here we have to predict which structure of fructose are reducing sugar.
Q: D-Glucopyranose + (CH3CO)2 O - D-Glucopyranose + CH31 → D-Glucose + HNO3 → D-Glucose + H2 → Lactose…
A: The condensation reaction is the type of reaction in which simpler molecules are connected to…
Q: Write down the reactions: D-Glucopyranose + CH3I →
A: Please find below the reaction
Q: Why is sucrose not a reducing sugar
A: Sucrose is a disaccharide carbohydrate composed of glucose and fructose. The molecular formula of…
Q: (a) Are galactose and mannose constitutional isomers or stereoisomers? (b) Draw the structure of…
A: (a) Are galactose and mannose constitutional isomers or stereoisomers? (b) Draw the structure of…
Q: Write the chemical equations of the following reactions(a) Glucose in heated with conc. H2SO4.(b)…
A: Concentrated Sulfuric acid (H2SO4) is a dehydrating agent and when it reacts with a carbohydrate…
Q: Which of the followings describes mutarotation? O conversion of alpha-glucose to alpha-galactose O…
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Q: Write down the reactions: D-Glucose + HNO3 →
A: Please find below the reaction
Q: What is the corresponding energy difference expected between these two - D glucose? And what is…
A: At equilibrium, approximately 64% of β-D-glucose and 36% of α-D-glucose is found in aqueous solution…
Q: Name an aldohexose other than d-glucose that is oxidized to d-glucaric acid by nitric acid.
A: The d-glucose when react with nitric acid undergo oxidation to form d-glutaric acid also known as…
Q: What reaction is responsible for the conversion of linear d-glucose to cyclic d-glucose? A.…
A: Solution-Hemiacetal reaction - reaction is responsible for the conversion of linear d-glucose to…
Q: Why are all of the elements in group 18 relatively unreactive, whereasthose in group 17 are very…
A: The reason for all the elements of group 18 being unreactive when compared with those elements of…
Q: Sugar X is known to be a d-aldohexose. On oxidation with HNO3, X gives an optically inactive aldaric…
A: The sugar X is D-galactose as it reacts with nitric acid to give an optically inactive structure due…
Q: Show how the cyclization of D-glucose What is a reducing sugar? How was it measured?
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Q: Write the haworth projection for (A) B_D_glucofuranose (B) a_D_frotopyranose
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Q: Write the correct answer on the line provided a. Which monosaccharide is the 4-epimer of D-…
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Q: Name the two alditols formed by NaBH4 reduction of d-fructose
A: The D-fructose molecule reacts with NaBH4 forms two products namely D-glucitol and D-mannitol.
Q: What other monosaccharide is reduced only to the alditol obtained from the reduction of 1. d-talose?…
A: Monosaccharides are reduced by reducing agent like NaBH4 and forms two alditols (aldehyde group or…
Q: Which one of these molecules is a naturally occuring sugar?
A: Naturally occuring sugar are fructose , lactose ,glucose , galactose. option (c) is the structure…
Q: Which of the following statements is not true about glucose? (i) It is an aldohexose. (ii) On…
A: Glucose is also known as dextrose is a carbohydrate compound consisting of six carbon atoms and an…
Q: Identify the sugar in description. A ketose that, when reduced with NaBH4, forms d-altritol and…
A: The sugar which forms d-altritol and d-allitol when reduced with NaBH4 has to be given,
Q: Write the structure of the product obtained when glucose is oxidised with nitric acid.
A: When glucose is oxidised with nitric acid the product formed is saccharic acid. Nitric acid is a…
Q: (i) Deficiency of which vitamin causes scurvy?(ii) What type of linkage is responsible for the…
A: Biological molecules named biomolecules are those substances that are produced by living organisms.…
Q: Reaction 6.2 shows the initial reaction of D-glucose with Cu2+ through Nelson’s test: a) What type…
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Q: Why can galactosemia be relieved by feeding an affected infant a formula conataining sucrose as the…
A: The part of lactose (milk sugar) is galactose. When the body is not able to absorb galactose, it…
Q: Draw the β-D-galactopyranose sugars using Haworth projections:
A: The Haworth projections structure of β – D – galactopyranose can be drawn as follows,
Q: What structures are produced by the epimerization of galactose?
A: When the stereochemistry differs only at one chiral carbon atom,compounds are known as epimers of…
Q: When glucose undergoes base-catalyzed isomerization in the absence of the enzyme, mannose is one of…
A:
Q: The aglycone portion of salicin is a sugar moiety such as glucose or rhamnose. A. True B. False
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Q: -glucose can form cyclic structures that create the, and anomers. O a. D-glucose and L-glucose. O b.…
A: Glucose is C6H12O6 and is a monosaccharide which has 6 carbons and an aldehyde group. It can exist…
Q: Which D-aldopentoses are reduced to optically inactive alditols using NaBH4, CH3OH?
A: The possible optically inactive alditols with 5 C are as follows, These are inactive due to presence…
Q: CH2OH .O. CH2OH Но CH2OH -O H H. Он CH2OH OH но CH2OH -O OH H OH OH он H. H но H он II Sugars that…
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Q: Draw the step-by-step procedure of linear form (Fischer Projection) of α- D Glucose and β- D Glucose…
A:
Q: Starting with a Fischer projection of D-fructose, write equations showing the formation of…
A: The monosaccharides are aldoses and ketose. The aldoses are the one which contains aldehyde…
Q: The Products of the reaction of L-glucose with the following L-glucose [1] NH2NH4 [2] Ac20,NaOAc [3]…
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Q: When d-glucose is reduced with sodium borohydride, optically active glucitol results.When optically…
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Q: Give the reactions (chemical equation) of test samples with iodoform: -glucose -fructose Give the…
A: A question about qualitative analysis, which is to be accomplished.
Q: Identify the sugar in description. An aldopentose that is not d-arabinose forms d-arabinitol when it…
A: Sodium borohydride is used as a reducing agent (addition of hydrogen). Its molecular formula is…
Q: Draw the structure that formed between alpha-L-Erythrose with the amino acid Asparagine and label…
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Q: omers но снон HO CH,OH OH H. HO CH OH OH H OH H HO HO HO OH OH H. H. How many chemical bonds are…
A: The species β-D-galactose is hydrolyzed in the sight of water to generate the open chain through the…
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- 2. Identify the carbon atoms of the carbohydrate rings at which the oxidation takes place by circling the carbon atoms in the structure that become an aldehyde or ketone group. Note: do this for the reducing sugars only! H -OH H HO Po-glucose он HO OCH, methyl e-D-glucoside но. HO OH OH a-D-fructone он HO HO HO, H HỌ HO- OH Suarose HO- HO maltose8. (a) What are cardiac glycosides? Give one example of cardiac glycoside and draw structure. Discuss the structure- activity relationship of cardiac glycosides.Albert Szent-Gyorgi, a pioneer in early pho-tosynthesis research, stated, “What drives life is a little electric current, kept up by the sunshine.” What did he mean by this?
- 18-112 Draw structures for the following compounds. a. a-D-Galactose 6-phosphate b. B-D-Galactose 6-phosphate holn of Figure 18-14 draw structures for the With25. Identify the sugars and the glycosidic linkage in the following molecule. HO HƠ OH HO O OH O HO- OH OHC12H22O11 + H2O → C6H12O6 What type of reaction is this? Is the lactose to glucose reaction a redox reaction?
- Question 21 Match the structures with the description NH NH CHO CH HO CH, HO HỌ CH, NICH H. ocit, CH, он он HO но- HO HO он CH2 OH >The carbonyl group on D-glucose can be reduced to d-glucitol. Identify the reagents that can chrry out this reduction. A.water in acidic solution B. hydrogen with a Platinum catalyst (Hy/Pt) C. Sodium dichromate (NaCr2O) in acidic solution D. Benedict’s reagent E. Enzymes2. Write: why saccharose is a non-reducing disaccharide. 3. Write the equations of reactions:3.1 glucose +Ag2O(NH3)→;3.2 glucose +H2→;3.3 α-D-glucopyranose +CH3OH(HCl)→;3.4 β-D-glucopyranose +(CH3CO)2O→;3.5 maltose hydrolysis;3.6 glucaric acid formation from glucose.
- 1. Draw the structure of a glucose molecule in hemiacetal (closed ring) form. Be sure to have the -OH groups in the correct orientation. What is the difference between alpha-D- glucose and beta-D-glucose? Indicate with chemical structures. α-D-Glucose B-D-Glucose 2. Why is glucose called a reducing sugar? Draw a chemical structure that clarifies your answer.The type of glycosidic bond present in the structure is CH2OH -Он CH2OH он H. H. ÓH CH,OH OH H CH2OH OH OH H H OH H H. OH H. ÓH alpha-1,6 beta-1,6 alpha-1,4 beta-1,4 beta-1,3 Refer to the structure of compound A and compound B. Which of the following correctly predicts the property compound A and compound B? of OCH3 он Compound A is solid at room temperature while compound B is liquid at room temperature. Compound B is solid at room while compound A is liquid at room temperature. Compound B has lower melting point than compound A. Compound A has higher boiling point than compound B. Both compounds A and B have comparable/equal melting point. Refer to the structure of the compound. The correct name of the compound is octanoic acid hexyl ethanoate hexyl methanoate heptyl ethanoate heptyl methanoateThe long-term health effects of eating partially hydrogenated vegetable oils concern some nutritionists because many unnatural fatty acids are produced. Consider the partial hydrogenation of linolenic acid by the addition of one or two equivalentsof hydrogen. Show how this partial hydrogenation can produce at least three different fatty acids we have not seen before.