All monosaccharides exhibit mutarotation, the interconversion of the a and ẞ anomers in aqueous solution. Pure α-fructose has a specific rotation of -21.0°; Pure ẞ-fructose has a specific rotation of -133°; An aqueous solution of fructose at equilibrium has a specific rotation of -92.0°. From these data, calculate the percentage of the a and ẞ anomers present at equilibrium. α anomer: % ẞ anomer: % HO CH2OH HOW 2 OH "OH This is the pyranose structure of alpha-D-altrose, four substituent groups are indicated. For each of these groups, indicate whether the group is in the axial or the equatorial orientation. Assume that the -CH2OH group is in the equatorial orientation. Group 1: Group 2: Group 3: Group 4:
All monosaccharides exhibit mutarotation, the interconversion of the a and ẞ anomers in aqueous solution. Pure α-fructose has a specific rotation of -21.0°; Pure ẞ-fructose has a specific rotation of -133°; An aqueous solution of fructose at equilibrium has a specific rotation of -92.0°. From these data, calculate the percentage of the a and ẞ anomers present at equilibrium. α anomer: % ẞ anomer: % HO CH2OH HOW 2 OH "OH This is the pyranose structure of alpha-D-altrose, four substituent groups are indicated. For each of these groups, indicate whether the group is in the axial or the equatorial orientation. Assume that the -CH2OH group is in the equatorial orientation. Group 1: Group 2: Group 3: Group 4:
Chemistry
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:All monosaccharides exhibit mutarotation, the interconversion of the a and ẞ anomers in aqueous solution.
Pure α-fructose has a specific rotation of -21.0°;
Pure ẞ-fructose has a specific rotation of -133°;
An aqueous solution of fructose at equilibrium has a specific rotation of -92.0°.
From these data, calculate the percentage of the a and ẞ anomers present at equilibrium.
α anomer:
%
ẞ anomer:
%
Transcribed Image Text:HO
CH2OH
HOW
2
OH
"OH
This is the pyranose structure of alpha-D-altrose, four substituent groups are indicated. For each of these groups, indicate whether the group is in the axial or the equatorial
orientation.
Assume that the -CH2OH group is in the equatorial orientation.
Group 1:
Group 2:
Group 3:
Group 4:
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