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- 5. Assign R,S configuration to the following molecule. HOOC Br H3C a) H H₂N CH3 NC... b) H c) H CH2CH3 H3C... OH\Br A. Redraw the bond-line structure of the molecule above on a separate sheet of paper. B. Draw a chair conformation for the molecule. C. Draw the new chair conformation after ring inversion (ring flip). D. Circle the most stable (lowest energy) chair conformation.3. Draw the dash-wedge structure for the following molecules. 1 C₂H₂ C₂H₂ S H CH₂ 1 H Br H Cl * H H 4. Arrange the structures in the increasing order of stability CH₂ C₂H₂ C₂M₂ C₂H₂ H C₂H₂ *馬來西 H C₂H₂ H C₂H₂ CHy CH₂ IV || |||
- Which c. ..se structures shows how the pictured molecule will look after it is flipped over horizontally, as illustrated? он flip OH H H. OH он H. ..l OH none of these но Note: Only check the boxes of structures that correspond to a single horizontal flip of the original structure. Ignore structures that have been rotated or flipped multiple times or in other ways.circle and name any and all functional groups present in eafhcnoleculeExamine the ungraded ball-and-stick model below to determine the three-dimensional structure of the molecule. On the corresponding 2D structure, draw one wedge bond and one dash bond over two existing bonds to indicate the same arrangement of atoms in space. The narrow part of each wedge-and-dash bond should be towards the same central carbon atom.