Question

Pur eunnt ptic Rotut F c. Meso compound- A Compuina thestotuins 10) 2. Assign R or S to the two asymmetric.carbons shown below. matple Сиси, 5) 3. Place an asterisk (*) next to each asymmetri carbon in the molecule shown below. 5) 4. Calculate the specific rotation for a substance that is at a cqnc. of 0.01 g/ml, and in a 1 decimeter tut O72 (0-01 gim(19 observed rotation of -20° . 15) 5. For this molecule: он How many chemically different hydrogens? a. b. How many chemically different carbons? What would be the mass of the molecular ion in El-MS? С. 10) 6. True or False: In the IR, polar bonds absorb more strongly than non-polar bonds. a. T In HNMR, aldehyde hydrogens appear between 9 and 10 ppm. b. T The presence of Cl or Br is best detected by IR. T C. In ESI-MS there is very little fragmentation. T d. In a 1D, fully proton decoupled CNMR, all peaks are singlets. е.

Answer 1

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