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Download 1. 4-methyl-4-octanol oxidizes to form a) 4-methyl-4
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Transcript
1. 4-methyl-4-octanol oxidizes to form a) 4-methyl-4-octanal b) 4-methyl-4-octanone c) butyl butanoate d) none of the above 2. The reduction of pentanal yields a) 1-pentanol b) 2-pentanol c) pentene d) pentane 3. The oxidation of 2-methyl-3-hepatanone yields a) 2-methyl-heptanol b) 2-methylheptanal c) 2-methyl-3-heptanol d) none of the above 4. Identify how many chiral carbons are in the following molecule a) b) c) d) 4 3 2 8 5. Tertiary alcohols can react to form a) aldehydes b) ketones c) ethers d) no reaction 6. What is the molecular formula for 3-methyl-2-hexanone a) C6H12O b) C7H14O c) C7H16O d) C6H14O 7. Which of the following will have the highest boiling point? a) 2-hexanone b) 2-hexanol c) hexanal d) hexane 8. What is the name of the reaction between an alcohol and an aldehyde? a) oxidation b) reduction c) addition d) none of the above 9. What determines if a molecule is a reducing sugar? a) It has an anomeric –OH available b) It is a monosaccharide c) It is a disaccharide d) It must be a beta linkage 10. What is the name of the enzyme that cleaves the glycosidic bond in lactose? a) lactese b) lactase c) sucrose d) galactase 11. Sucrose is composed of which of the following monosaccharides. a) glucose b) galactose c) fructose d) A and C 12. Which of the following molecules have the formula C6H12O a) 2,3-dimethylpentanal b) 3-methylhexanal c) 2-methyl-3-pentanone d) 2-methyl-cyclohexanone 13. Primary alcohols reduce to form a) aldehydes b) ketones c) ethers d) no reaction 14. In the following carbohydrate, identify the linkage a) b) c) d) alpha-1, 3 beta-1, 4 alpha-1, 4 beta-1, 3 15. Disaccharides are formed from ______. Polysaccharides are formed from _____. a) rehydration, condensation b) addition, condensation c) condensation, reduction d) condensation, condensation 16. The following are aldoses except: a) fructose b) glucose c) galactose d) none of the above 17. A furanose is ___. _____ forms a furanose. a) 5-membered ring, glucose b) 6-membered ring, glucose c) 5-membered ring, fructose d) 6-membered ring, galactose 18. Which polysaccharide uses 1,4-beta linkages? a) amylose b) amylopectin c) cellulose d) glycogen 19. The carbonyl can make _______ hydrogen bonds. a) 0 b) 1 c) 2 d) 3 20. Aldehydes ____ soluble in water. Carboxylic acids ______ soluble in water a) are, are not b) are not, are not c) are, are d) are not, are 21.Of the following, which would have the highest boiling point? a) propane b) propanal c) propanoic acid d) methyl ethyl ether. 22. Of the following aldehydes, which is most soluble in water a) methanoic acid b) ethananoic acid c) propanoic acid d) pentanoic acid 23. Carboxylic acids can be oxidized to form a) aldehydes b) primary alcohols c) none of the above d) A and B 24. When you add one alcohol across a carbonyl you form a) aldehydes b) ketones c) acetals d) hemiacetals 25. Base catalyzed ester hydrolysis: a) is called saponification b) yields carboxylic acid c) is called reverse esterification d) yields carboxylate cation 26. When you add two alcohols across a carbonyl you form a) acetals b) hemiacetals c) ketones d) aldehydes 27. Ketones and aldehydes are a) structural isomers b) enantiomers c) stereoisomers d) configurational isomers 28. Carbonyl groups are bonded to ___ carbons and ____ hydrogens in ketones. a) 1, 1 b) 1, 0 c) 0, 0 d) 0, 1 29.Carbonyl groups are bonded to __ carbons and ___ hydrogens in aldehydes (except formaldehyde). a) 0, 1 b) 0, 0 c) 1, 0 d) 1, 1 30. Secondary alcohols are reduced to a) ketones b) aldehydes c) ethers d) no reaction Short Answer 31. Draw and name 6 ketones, aldehydes or alcohols with the formula C9H18O. 32. Draw and name the products for the following reactions a. Oxidation of 2-pentanol b. Reduction of 2-ethyl-3-octanone c. Oxidation of 2,3-dimethyl-3-heptanol 33. Given the following structure of glucose 1. Number the carbons and label the anomeric carbon. 2. Draw the Fischer projection. 3. Is this alpha or beta glucose? 4. Draw a 1, 4-alpha linkage between two of these glucose molecules. 34. Describe the boiling point behaviors of aldehydes and ketones as compared to alcohols, ethers and carboxylic acids and alkanes.