Organic Chemistry
Ch. 9-11 Schedule - Spring 2012
Homework (to be
Completed on date listed)
Read: Ch. 9 pg. 278-288; 292-295
Date
Thurs.
5-10
Topics
Isomerism - enantiomers
Interpreting structural formulas
Wedge-bond & Fischer Projections
Applications
Fri.
5-11
Correct PS 9.1; Quiz
Read: Ch. 10 pg.308-315
Intro to Carbohydrates
Hwk: PS 9.1 Ch. 9 #1,3,5,7,8,9abc,10ab,11-14
Monosaccharides – classification, names
stereoisomerism, impt. monosaccharides
Mon.
5-14
Cyclic vs. open-chain structures/Haworth structures
Chem/Phys. properties of monosaccharides
disaccharides
Read: Ch. 10 pg. 315-323
Tues.
5-15
Clicker Practice Quiz
Polysaccharides; digestion (need min. 50 minutes)
Fiber, cell recognition (if time?)
Read: Ch. 10 pg. 323-335
Hwk: PS 10.1 Ch. 10 #3,4,7abde,9,10,13, 15,16,19,22
(will grade tomorrow)
Wed.
5-16
Correct PS 10.1 & 10.2; Quiz
Fiber, cell recognition
Lab– Building a disaccharide & a fatty acid
Lipids – classification Fatty acids
Hwk: PS 10.2 # 29,30,31,39,40,41,45,53,58
Read: Ch. 11 pg. 340-351
Thurs.
5-17
Structure & properties of triacylglycerols
Chemical reactions of triacylglycerols
-hydrolysis, digestion/storage/hydrogenation
LAB – Making Soap
Hwk: Complete labs if not handed in yesterday
Fri.
5-18
Correct 11.1/Soap Lab; Quiz PS 11.1/soap lab
LAB – Properties of Lipids
Hwk: PS 11.1 # 1,2,3,6,8,11a,15,16,47,48
Hwk: Collect Soap Lab
Mon.
5-21
Correct Lipid Lab;
TEST: Ch.. 9-11 (28 MC; 11 FRQ = 39 Total Points)
Hwk: Study!
SEE BACK FOR ESSENTIAL QUESTIONS
Essential Questions
Ch. 9-11
CHAPTER 9
• How can you distinguish between chiral and achiral molecules?
• How can you identify tetrahedral stereocenter?
CHAPTER 10
• How can you describe the biological roles of carbohydrates & distinguish between mono- ,di- , oligo-, and polysaccharides?
• How can you draw Fischer and Haworth projections?
- Be able to identify the Fischer projection for which a Haworth projection correlates and vice versa.
- If given the classification of a sugar (aldohexose, ketotetrose etc.) be able to predict the shape it will take (hexagon,
pentagon etc.) as well as its molecular formula (C6H12O6, C4H8O4).
- Given the classification of a sugar (aldohexose, ketotetrose etc.) be able to determine how many stereoisomers it would
have. (i.e. be able to determine the # of stereoisomers and thus the # of isomers.)
• How can you describe structures and functions of mono-, di-, and polysaccharides?
- Know common mono- (glucose, galactose, fructose), di- (lactose, maltose, sucrose), and polysaccharides (starch- amylose,
amylopectin, glycogen, cellulose).
- Given a monosaccharide be able to classify it as an aldose/ketose and as a tetrose, pentose, hexose etc.
- Given a disaccharide be able to tell the monosaccharides from which is is made and be able to identify how they are linked
if given a diagram of the structure – (14), (14), (16) etc.
- Given a polysaccharide be able to tell the monosaccharide from which it is made and be able to identify how they are linked
if given a diagram of the structure – (14), (14), (16) etc.
- Know that sugars exist predominantly in their cyclic (hemiacetal) structure.
- Be able to distinguish between  and  mono- and di- saccharides.
- Know physical properties of monosaccharides.
• Be able to compare and contrast what happens to starch and cellulose when ingested.
• Be able to explain how structural differences between starch and cellulose lead to different roles.
• How can you describe photosynthesis and the interdependence of plants and animals?
CHAPTER 11
• How can you draw the structures and describe the physical properties of saturated and unsaturated fatty acids?
- Be able to explain the different properties of saturated and unsaturated fats as well as how trans-fats are related to saturated
and unsaturated fats in terms of structure and melting points.
- Be able to explain the solubility of fats in polar and nonpolar solvents.
- Be able to explain the roles of fat and water soluble vitamins.
• How can you draw the structures and describe the physical properties of triacylglycerols & fat-soluble vitamins?
- Be able to draw the following reactions:
glycerol + 3 fatty acids  triglyceride + 3 H2O
triglyceride + 3 H2O  glycerol + 3 fatty acids
triglyceride + 3 NaOH  glycerol + 3 soaps (salts of fatty acids)
• How can you describe and write reactions for the hydrolysis, catalytic hydrogenation, and rancidity reactions of
triacylglycerols?
• How can you describe the structure of biological membranes?
• How can you describe the processes by which molecules and ions are transported across biological membranes?
LAB OBJECTIVES
• Making Soap
-Be able to draw the saponification reaction of any triglyceride.
-Know the chemicals and equipment needed to make soap.
-Be able to explain how ethanol is used as an emulsifying agent and why it is needed.
• Properties of Lipids Lab
-Be able identify a lipid by its structure and predict if it would dissolve in water, or hexane; and be able to predict
wheat it would look like if tested with Sudan III.
-Given the structure of a fat, be able to predict what would be observed if bromine water were added to it.