CHEM261 Lecture 14: Introduction to Enantiomers and Diasteromers

7.-11. Classify the following as: a. aromatic b. anti-aromatic c. non-aromatic d. not a.-c. (Answers may be repeated.) 8. 12. Complete the fifth resonance structure in the last template to determine which carbon-carbon bond is longest e. not a.-d. 13. Which compound reacts the fourth fastest with nitric acid and sulfuric acid? a. toluene b. phenol caniline d.benzenesulfonic acid e. chlorobenzene 14. Starting with biphenyl, which is the most likely dinitro compound to form by reaction with excess nitric acid and sulfuric acid? d. e. not a.-d. 15. Assuming a large excess of benzene, what is the major product of the following reaction? a. b. c. d. e. not a.-d. 16. The Wolff-Kisbner reaction is a how many electron reduction? Hint: Analyze the starting material and product. b. 4 e. not a.-d. 17.-19. Starting with benzene, complete the following reaction sequences. Assume any necessary workup. Answers may be repeated. 18. Ch/FeCla, HNO/H,504 (continue with minor product),以aOH, H2/ed, NaNO2/HCycold, CUCM H30' 19. H NOs/Haso, clifeCla, H2/얹 NaNO2/HSI/cold,SEN, H30. a. b. d. not a.-c. 20. Which substitution mechanism is not used in any of the syntheses of questions 17.-19.? a. benzyne b. electrophilic aromatic c. nucleophilic aromatic d. radical e. SN1

Ph ned the id > H2-C-CH3 H3C-C CH2 CH,-CH-CH 2-C-CH3 4-penten-2-one ane. 3-oxobutanal ET 9 1. Draw the following structures: (a) 2-chloro-3-methylhexanal (b) 3-amino-2-butanone (c) 3-hexen-2-one (d) 2-methyl-4-oxopentanal 2. Name the following compounds: CH3 C-CH,-CH C-CH2 CH-CH3 CH3-C-CH = CH-COOH

aboratory 7 Ionization & Classification of Acids, Bases and Salts NAME: DATE: INSTRUCTOR: SECTION: WORKSHOP: CONDUCTIVITY OF SOLUTIONS. Answer the following questions during the lab time. 1. The pH of a solution of 0.1M HNO,? 2. The pH of a solution of 0.00001M KOH 3. The pH and POH of a solution of 0.01M HBr? 4. The pH and POH of a solution of 0.00001M KOH 5. the following substances as strong electrolyte (SE), weak electrolyte (WE) and Classify non-electrolyte (NE) a. Glucose, CH b. Carbon tetrachloride, CCI c. Sodium iodide, Nal d. Hydrochloric acid, HCl e. Vinegar f Iron (III) Chloride, FeCl, g. Ethanol CH,OH h, Nitric Acid, HNO, i. Ammonium Hydroxide, NH40H