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Predict which of the following compounds would be the strongest acid.

Predict which of the following compounds would be the strongest acid. For 1H-NMR peak that is a doublet with an integral of 3 H at 1.21 ppm what do we know?. Assign the priority according to the Cahn- Ingold -Prelog convention.

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Predict which of the following compounds would be the strongest acid.

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  1. Predict which of the following compounds would be the strongest acid.

  2. For 1H-NMR peak that is a doublet with an integral of 3 H at 1.21 ppm what do we know?

  3. Assign the priority according to the Cahn-Ingold-Prelog convention.

  4. What is the multiplicity of the signal for the hydrogens at the indicated position? • triplet • singlet • doublet • quartet • sextet

  5. How many of the following compounds are chiral? 1 2 3 4

  6. How many sp2 hybridized C’s are present in the following structure? • 5 • 6 • 7 • 8 • 9

  7. In an sp3 hybridized carbon, how many sp3 hybrid orbitals are there? • 1 • 2 • 3 • 4

  8. Predict the major product of the following reaction.

  9. What would you expect to see in the 1H NMR in the aromatic region for 4-bromotoluene. • Two singlets • Two doublets • Four singlets • Four doublets

  10. Rank the following from most nucleophilic to least nucleophilic. HO- H2O H2N- H3N 2 4 1 3

  11. Rank the following carbocations from most stable to least stable.

  12. What is the electron configuration of N? • 1s22s22p3 • 1s22s22p3 • 1s22s22p4 • 1s22s12p3

  13. What is the hybridization on carbon 1? • sp • sp2 • sp3 • sp4

  14. What is the electronic geometry at carbon 1? a. linear b. trigonal planar c. trigonal pyramidal d. tetrahedral

  15. Classify the carbocation as a. 1 b. 2 c. 3 d. 4

  16. Generic Questions • Which of the following compounds represents the enantiomer of _____________? • Which of the following compounds are the same? (Draw various representations.) • Which of the following protons is most deshielded? • Where would you look in the IR to confirm that a reaction took place?

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