09-27 - Which hydrogen is more acidic Using your...

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Unformatted text preview: 9/28/2010 Which hydrogen is more acidic? Using your quiz/workshop page draw the conjugate bases of the ionization of hydrogen A and B. Draw resonance structures of both of these conjugate bases and compare their relative stabilities. O H O HB H AH C H C AH C H C HB Use your quiz/workshop form for your answers Students with their course ID numbers ending in the number 2 can turn in their forms for credit. Draw resonance structures of both of these conjugate bases and compare their relative stabilities. Which hydrogen is more acidic? O H O HB H AH C H C AH C H C HB Which species is the acid in the following reaction? Which species is the acid in the following reaction? H H C H C H + H H H B H H H B C H H H H B C H H C H H H C H H H H C C H H H H H B C H C H H H + H H B H H H H B C H H C H H A B 1 9/28/2010 Which species is the acid in the following reaction? Use the curved arrow formalism to show the bond making and bond breaking that occurs in the transformation of the following reactants to the product. H H C H C H H H H B C H H C H H H + H H B H H H B C H H C H H CH3 H2C C CH3 H CH3 H H3C C CH3 C C CH3 CH3 Use the curved arrow formalism to show the bond making and bond breaking of the first step of the following reaction. Choose the structure of product of the first step. CH3 H2C C CH3 Use the curved arrow formalism to show the bond making and bond breaking of the first step of the following reaction. H CH3 CH3 H3C C CH3 H2C C CH3 CH3 ? H2C C H H H H2C C CH3 CH3 CH3 A B CH3 C CH3 Is a carbocation an (A) acid or (B) base? CH3 H H3C C CH3 C C CH3 CH3 CH3 H H3C C C C CH3 H CH3 CH3 -H H3C CH3 H C CH3 C Use the curved arrow formalism to show the bond making and bond breaking of each step of the following reaction. Add formal charges to the atoms to make the structures correct. CH3 CH3 H2C C CH3 H CH3 H3C C CH3 H2C C CH3 CH3 H H3C C C C CH3 H CH3 CH3 -H H3C CH3 H C CH3 C C CH3 CH3 How many alkanes have the formula C7H16? A=1 B=3 C=5 D=7 E=9 F = 11 2 9/28/2010 Propose a synthesis for the following compound. A Propose a synthesis D B C for the following compound. E F Choose the last step in the synthesis of the above compound. Propose a synthesis for the following compound. Propose a synthesis for the following compound. H Br Br OH Choose the best reactant for the last step. A B C D A Propose a synthesis D B C for the following compound. A Propose a synthesis D B C H Br OH Br E F for the following compound. E F H Br OH Br Choose the next step in the synthesis of the above compound. OH 3 9/28/2010 A Propose a synthesis D B C for the following compound. A Propose a synthesis D B C H Br OH Br E F for the following compound. E F H Br OH Br Choose the next step in the synthesis of the above compound. OH O A Propose a synthesis D B C for the following compound. E F H Br Br OH 2-methylheptadecane H hydrocarbons hydrocarbons are compounds containing only the elements C and H. alkanes C C O 23 4 ...
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