Problem: A structure of a common monosaccharide is shown to the right.Identify the name of the monosaccharide:   A) Dihydroxyacetone B) Threose C) Ribulose D) GalactoseClassify it based on the carbonyl group: A) an aldose B) a ketose Classify by number of carbons: A) pentose B) hexose C) triose D) tetrose

FREE Expert Solution

Monosaccharides can be described by both generic names and specific names and begin as either aldehydes (aldose) or ketones (ketose). 

  • Carbonyl type (i.e. aldo— )
  • Carbon Chain Length (Pre-IUPAC) with –“ose” ending (i.e. –triose, -tetrose, –pentose, -hexose, etc)


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Problem Details

A structure of a common monosaccharide is shown to the right.


Identify the name of the monosaccharide:   


A) Dihydroxyacetone 

B) Threose 

C) Ribulose 

D) Galactose


Classify it based on the carbonyl group: 

A) an aldose 

B) a ketose 


Classify by number of carbons: 

A) pentose 

B) hexose 

C) triose 

D) tetrose

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