Vollhardt,Chapter13

Vollhardt,Chapter13 - Chapter 13: 1. What do all alkyne...

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Chapter 13: 1. What do all alkyne molecule names have in common? a. - ane in the name. b. - ene in the name. c. - one in the name. d. - yne in the name. Answer: D 2. What type and number of electrons are in the triple bond? a. Four pi electrons. b. Two sigma and two pi electrons. c. Two sigma and four pi electrons. d. Four sigma and two pi electrons. Answer: C 3. Where is the 1H NMR signal for a terminal alkyne relative to an alkene? a. At high or low field depending on the group attached to the other carbon. b. At relatively high field. c. In a mid-field range. d. At relatively low field. Answer: B 4. What method is used to prepare alkynes? a. Dialkene double eliminations. b. Haloalkane eliminations. c. Haloalkane double eliminations. d. Dihaloalkane double eliminations. Answer: D 5. How can a terminal alkyne be converted into an internal alkyne? a. the addition of a haloalkane across a double bond. b.
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This note was uploaded on 02/17/2010 for the course CHEM 3A taught by Professor Frechet during the Spring '10 term at UC Davis.

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Vollhardt,Chapter13 - Chapter 13: 1. What do all alkyne...

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