Ch. 24 - CarbohydratesWorksheetSee all chapters
All Chapters
Ch. 1 - A Review of General Chemistry
Ch. 2 - Molecular Representations
Ch. 3 - Acids and Bases
Ch. 4 - Alkanes and Cycloalkanes
Ch. 5 - Chirality
Ch. 6 - Thermodynamics and Kinetics
Ch. 7 - Substitution Reactions
Ch. 8 - Elimination Reactions
Ch. 9 - Alkenes and Alkynes
Ch. 10 - Addition Reactions
Ch. 11 - Radical Reactions
Ch. 12 - Alcohols, Ethers, Epoxides and Thiols
Ch. 13 - Alcohols and Carbonyl Compounds
Ch. 14 - Synthetic Techniques
Ch. 15 - Analytical Techniques: IR, NMR, Mass Spect
Ch. 16 - Conjugated Systems
Ch. 17 - Aromaticity
Ch. 18 - Reactions of Aromatics: EAS and Beyond
Ch. 19 - Aldehydes and Ketones: Nucleophilic Addition
Ch. 20 - Carboxylic Acid Derivatives: NAS
Ch. 21 - Enolate Chemistry: Reactions at the Alpha-Carbon
Ch. 22 - Condensation Chemistry
Ch. 23 - Amines
Ch. 24 - Carbohydrates
Ch. 25 - Phenols
Ch. 26 - Amino Acids, Peptides, and Proteins

Monosaccharides - Common Ketoses

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Sections
Monosaccharide
Monosaccharides - D and L Isomerism
Monosaccharides - Drawing Fischer Projections
Monosaccharides - Common Structures
Monosaccharides - Forming Cyclic Hemiacetals
Monosaccharides - Cyclization
Monosaccharides - Haworth Projections
Mutarotation
Epimerization
Monosaccharides - Aldose-Ketose Rearrangement
Monosaccharides - Alkylation
Monosaccharides - Acylation
Glycoside
Monosaccharides - N-Glycosides
Monosaccharides - Reduction (Alditols)
Monosaccharides - Weak Oxidation (Aldonic Acid)
Reducing Sugars
Monosaccharides - Strong Oxidation (Aldaric Acid)
Monosaccharides - Oxidative Cleavage
Monosaccharides - Osazones
Monosaccharides - Kiliani-Fischer
Monosaccharides - Wohl Degradation
Monosaccharides - Ruff Degradation
Disaccharide
Polysaccharide
Additional Practice
R and S of Sugars
Monosaccharides - Erythro and Threo Isomerism
Monosaccharides - Common Ketoses
Monosaccharides - Pyranose-Furanose Isomerization
Monosaccharides - Overview of Reactions
Monosaccharides - Cyclic Acetals
Monosaccharides - O-Glycoside Hydrolysis
Additional Practice
Problem
Classify the following monosaccharide in terms of functional group and number of carbon atoms. 
Ketotriose
Aldotriose 
Ketotetrose 
Ketopentose 
Aldohexose

Solution

First clue for this is that there's an internal carbonyl which tells us that there is a keto group. 

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Practice Problems
Classify the following monosaccharide in terms of ...Choose the compound that is a ketotetrose.