29. In each compound below, two protons are clearly identified. Determine which of the two protons is more acidic. Choose A or B. (12 = 4 x 3 points) a) (B) b) H (A) HO (A) c) SH (B) (A) (B)
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- Carvone is an unsaturated ketone responsible for the odor of spearmint. If carvone has M+=150 in its mass spectrum and contains three double bonds and one ring, what is its molecular formula?How many different types of protons are present in each compound? (CH3)3CH 2. CH3CH2OCH2CH2CH2CH2CH3(a) Ph Br H HO CH3 713 A (b) HC- H HO H CH A Draw Newman projections looking down the indicated bond (right to left) representing the following compounds.
- 5] Ibuprofen is a NSAID (non-steroidal anti-inflammatory drug), that can be used to alleviate pain. How many correlations would you expect to see in its H,H-COSY spectrum?¸ CH3 CH3 OH com H3C Ibuprofendraw its fing flip isomer, show your work , explain(i) how many bonds does the molecule have? (ii) how many unhybridized p-orbitals total does the carbon labeled (b) have? (iii) how many unhybridized p-orbitals total does the carbon labeled (a) have? H-CEC-N (a) c=c=Ö: (b) H H
- How many non-equivalent ("different" kinds of) protons are there in this compound? H₂C CH3 BrHow many non-equivalent ("different" kinds of) protons are there in this compound? CH3 Br CH 3Q11. From each pair of species, determine the stronger base and justify your answer. (a) (b) CI مل مل or Br or مل
- 6) The NMR spectrum of this dimethyl ether is complicated, but the diphenol has a very simple NMR: there are only two types of protons on the rings (marked a and b). Explain. OMe 0 a b OH a OMe dimethyl ether Он diphenol bThe first resonance structure of acetamide, CH3 CONH2, is shown. H :0: ☐ || H-C-C-N-H H H Determine the correct second resonance structure of acetamide. H :0: -1 +1 H-C-C-N-H H H H :0: -1 ☐ ☐ H-C=C-N-H H H H :0: H-C-N-C-H HH ●● -1 H:0: H H-C-C=N—H H HUsing the information above, predict the relative acidity of the following compounds.Rank the following compounds in order of the expected acidity: In Order of Increasing Acidity (CH3)3NHCl (CH3)2NH2Cl (CH3)2NH3Cl NH4Cl