Which aldohexose would yield an optically active aldaric acid when treated with nitric acid?

Q: Threose is an aldose monosaccharide. The Fischer projection of D-threose is shown.

A: representation of molecules : Different types of projection formulae I)wedge&dash 2)Fischer  3)…

Q: An aldohexose would have the functional group A. See first image B. See second image C. -CH3 D.…

A: Functional group is a molecule or group of atoms  that have its own characteristic property…

Q: Trehalose and maltose are both dimers of glucose. However, they have considereably different…

A: Both Trehalose and maltose are dimers that are made of two glucose. In Maltose, two glucose units…

Q: What aldoses are formed when the following aldoses are subjected to the Kiliani-Fischer synthesis:…

A: a) D-threose = The aldose synthesised by Killiani-Fischer synthesis from the given aldose is, Here,…

Q: Another hexose gives the same aldaric acid on oxidation as does d-glucose. Which one?

A:

Q: What aldoses are formed when the following aldoses are subjected to the Kiliani–Fischer synthesis:…

A: Kiliani-Fischer synthesis is a method which is used for the elongation of the carbon chains in…

Q: a. How many stereogenic centers are present in α-D-galactose? b. Label the hemiacetal carbon in…

A: Hey, since there are multiple sub-part questions posted, we will answer first three questions. If…

Q: Which of the d-aldopentoses will give optically active aldaric acids on oxidation with HNO3 ?(

A: The D-aldopentoses which which give optically active aldaric acids on oxidation with HNO3 are D-…

Q: There are three (3) vials labeled A, B, and C known to contain the following monosaccharides. All…

A: HNO3 oxidises both CHO and CH2OH group to COOH. If a molecule contain a plane of symmetry or centre…

Q: is Gulose is a c4 epimer of galactose? What should be their relationship?

A: Given, Gulose is a c4 epimer of galactose

Q: Draw the mechanism for the formation of b-lactose from α-d-galactose and β-d-glucose in dilute HCl.

A:

Q: How many stereoisomers are possible for an aldopentose?

A: We know NaBH4 is a reducing reagent it can reduce -aldehyde to alcohol. But since H- can attack from…

Q: Arrange the following sugars according to their DECREASING reactivity with Benedict’s reagent.…

A: The solution used to detect simple carbohydrates like glucose in Benedict's test is known as…

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: Given the following structure of aldose, (a) how many chiral carbons are there? (b) is it a reducing…

A: We will use this structure to answer the given questions.

Q: 1. Define the following terms briefly as they relate to the experiments. Cite an example for each…

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Q: Aldotetroses exist in the furanose form. Draw both anomers of D-erythrose.

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Q: How many aldaric acids are obtained from the 16 aldohexoses?

A: Aldaric acid is the acid having both end of the molecule equivalent due to which the position of…

Q: a) Ketotetrose. b) Ketopentose. c) Aldopentose. d) Aldotetrose. e) Aldohexose. f) None of the above

A: In this question, we will see the class of this given carbohydrate sketch. You can see details…

Q: Which D-aldopentose is oxidized to an optically active aldaric acid and undergoes the Wohl…

A: The structure of possible optically active aldaric acid from D-aldopentose are,

Q: A hexose was obtained after (+)-glyceraldehyde underwent three successive Kiliani–Fischer syntheses.…

A: The above info can be used to identify the hexose as follows:

Q: An unknown reducing disaccharide is found to be unaffected by invertase enzymes. Treatment with an…

A: From the given information it is clear that a reducing fructofuranoside is present in the given…

Q: Draw the structures of the individual mutarotating a and b anomers of maltose.

A:

Q: . Trehalose and isomaltose are both dimers of glucose. However, they have considerably different…

A: Reducing sugars are carbohydrates that act a reducing agents due to the presence of free aldehyde…

Q: Which aldoses are oxidized to optically inactive aldaric acids: (a) D-erythrose; (b) Dlyxose; (c)…

A: Given aldoses,    (a) D-erythrose    (b) D-lyxose    (c) D-galactose

Q: Trehalose and maltose are both dimers of glucose. However, they have considereably different…

A: Consider a General Sugar   If a free OH group like in above sugar is present then the sugar willl…

Q: Monosaccharide A is a diastereomer of d-lyxose. Treatment of A with nitric acid forms an optically…

A: First, the D-lyxose is shown as below by using Fischer projection. For given compound the structure…

Q: What D-aldohexose forms the same osazone as D-glucose?

A:

Q: Provide an explanation for the fact that α-D-mannose is more stable thanβ-D-mannose, whereas the…

A: Anomers are diastereomers that differ only at the hemiacetal or acetal carbon. The hemiacetal or…

Q: An unknown β-d-aldohexose has only one axial substituent. A Wohl degradation forms a compound which,…

A: Aldohexoses can form cyclic structure by fthe formation of bond between aldehydic carbon and…

Q: Predict the products obtained when d-galactose reacts with each reagent.(a) Br2 and H2O

A: The structure of D-galactose is as follows,

Q: Complete the following Fischer esterification reaction

A: Complete the following Fischer esterification reaction

Q: In solution, glucose is mostly found in the cyclic hemiacetal state, which lacks an aldehyde group.…

A: Answer - The sugar glucose may be the most commonly known hemiacetal. A hemiacetal is a carbon…

Q: Illustrate the treatment of methyl α-D-glucopyranoside with aqueous acid forms a mixture of α- and…

A: In methyl α-D-glucopyranoside, methoxy group, (-OCH3) is attached to carbon 1 and in the presence of…

Q: Draw the structure of the polyhydroxy aldehyde that cyclizes to α- and β-D-galactose

A: Galactose is a carbohydrate which is formed from carbon, hydrogen and oxygen. The general formula of…

Q: Which of the d-aldotetroses will give optically active aldaric acids on oxidation with HNO3 ?(

A:

Q: How many stereoisomers are possible for a. a ketoheptose? b. an aldoheptose? c. a ketotriose?

A: Asymmetric(chiral) centre- It is a molecule having a special arrangement of ligands which is not…

Q: Name an aldohexose other than d-glucose that is oxidized to d-glucaric acid by nitric acid. a. What…

A:

Q: How many d-aldoheptoses are possible? Draw the Fischer projection of one of them and its enantiomer.

A: When the monosaccharide unit has seven carbon atoms, it is termed as heptose. When the heptose has…

Q: How many chiral centers are in B-d-glucopyranose and a-D-galactopyranose? How many stereoisomers of…

A: Beta -D-glucopyranose and alpha-D-glucopyranose are isomers.  Chiral centers is carbon having four…

Q: Which aldoses are oxidized to optically inactive aldaric acids: (a) D-erythrose; (b) D-lyxose; (c)…

A: All the aldehyde and alcohol groups on aldose are converted to the carboxylic group on oxidation…

Q: Mannose exists in aqueous solution as a mixture of a-d-mannopyranose and b-d-mannopyranose. Draw…

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Q: Deduce the structure of trehalose using 2,3,4,6-tetra-O-methyl-D-glucopyranose

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Q: Draw the anomers of d-erythrofuranose.

A: To draw the anomers of d-erythrofuranose.