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Extra Problems_Chapter Two

Extra Problems_Chapter Two - pKa’s CH 3 CO 2 H = 4.7 CH 3...

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Extra Problems – Chapter Two 1. Draw the structure for the following molecules: a) 4-ethyl-2,4-dimethylnonane b) 3-(1-methylethyl)decane c) 2,2,4,4-tetramethyloctane d) 2,7-dimethyl-5-(1-methylpropyl)nonane 2. Name the following molecules: a) c) Br b) d) Br Br
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3. In the following molecule, RU-486, name and circle all of the functional groups (excluding alkanes and alkyl groups): 4. Draw four constitutional isomers of C 3 H 6 O. Your answer should include: an aldehyde, a ketone, and two ethers. 5. Draw all of the constitutional isomers of C 3 H 9 N. OH N O
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6. Provide the products of each acid-base reaction below. Using the pKa values given, draw an arrow to show which side the equilibrium lies.
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Unformatted text preview: pKa’s: CH 3 CO 2 H = 4.7, CH 3 NH 2 = 36, CH 3 NH 3 + = 10.6, CH 3 CH 2 OH = 15, H 2 O = 15.7, H Cl = -7, CH 3 CH 2 OH 2 + = -2, H 3 O + = -1.5 7. Draw an example of a Lewis Acid that is not a Bronsted-Lowry Acid. 8. For the following reaction, estimate the values for K eq and ΔG° at 25 °C. a) CH 3 NH 2 + O OH b) HCl + CH 3 CH 2 OH c) CH 3 NH 2 + H 2 O N H + OH N + H 2 O pK a = 9.8 pK a = 15.7 9. Draw the Newman projections for the staggered and eclipsed conformations resulting from rotation about the C2-C3 bond in 2,3-dimethylbutane. Sketch an approximate relative energy diagram for these conformers....
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