Model 2: Aldoses are reducing sugars. H. +~C=O H-C-OH I HO-C-H Ī H-C-OH H-C-OH CH₂OH oxidizing agent

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Model 2: Aldoses are reducing sugars.
H.
C
H-C-OH
HO-C-H
H-C-OH
H-C-OH
I
CH₂OH
D-glucose
oxidizing
agent
Critical Thinking Questions :
7. When an aldehyde is oxidized, what functional group is produced?
8. Work with your team to draw the product for the reaction in Model 2 if only the aldehyde
carbon is oxidized.
9. If the aldehyde in a carbohydrate is oxidized, how might this affect its ability to form a
hemiacetal to close into a ring structure? Discuss with your team and write your
consensus answer.
10. Review your answer to CTQ 6 and the structures for maltose and lactose in Figure 2.
Would either of these disaccharides be able to function as a reducing sugar? Does your
team agree?
Transcribed Image Text:Model 2: Aldoses are reducing sugars. H. C H-C-OH HO-C-H H-C-OH H-C-OH I CH₂OH D-glucose oxidizing agent Critical Thinking Questions : 7. When an aldehyde is oxidized, what functional group is produced? 8. Work with your team to draw the product for the reaction in Model 2 if only the aldehyde carbon is oxidized. 9. If the aldehyde in a carbohydrate is oxidized, how might this affect its ability to form a hemiacetal to close into a ring structure? Discuss with your team and write your consensus answer. 10. Review your answer to CTQ 6 and the structures for maltose and lactose in Figure 2. Would either of these disaccharides be able to function as a reducing sugar? Does your team agree?
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