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- Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This group is called an ethyl group and can be considered a sphere about twice the sizeof a methyl group. Draw the following Newman projections sighting down the C1C2 bond... a. The lowest potential energy conformation. b. The highest potential energy staggered conformation.6. Newman projections to Lewis structures From the following Newman projections, draw the corresponding Lewis structure in the same conformation. A) B) H. H CH3 H₂C N H OH CI Br CH3 H OH CH32. Convert the following bond-line structure to Newman projections that represents it lowest energy and highest energy conformations. Look down the indicated C2-C3 bond. lowest energy highest energy
- How do I draw the Newman projection for each line structure? This is for organic chemistry.Which is the correct newman projection for the following molecule (as drawn below assuming no rotation) when looking down the bond indicated by the arrow? 0 0 Me Me Et Me Me Et Me Me II….. H H H HA Newman projection of methylcyclohexane is shown below. List the types of strain present in this conformation. H. H. H. H2 CH3 C H2 H.
- 1: Draw the chain conformer of... 1a. Cyclohexane, label all the axial and equatorial hydrogens 1b. The most stable conformer of ethylcyclohexane 1c. The most sable conformer of trans-1-tert-butyl-3-methylcyclohexanea. Draw the lowest energy conformation for the compound shown in the image. b. Draw the complete structural formula of the following compound: cis-1-bromo-3-chlorocyclohexane.Select the correct molecular geometry and bond angles around the carbocation: |||||………. trigonal pyramidal, 120° tetrahedral, 109.5° O tetrahedral, 105° trigonal planar, 120° trigonal pyramidal, 109.5°
- Consider rotation about the indicated bond in the molecule below. Which Newman Projection formula best represents the most stable conformer of the molecule with respect to rotation about the indicated bond? [As noted below: there is no steric strain between -H and -Et that have a gauche, staggered relationship] H CH3 Br-C-C-CH₂CH3 H. H Br CH₂CH₂ 1 CH3 H CH3CH₂ H Br H₂C || H H₂C H Br H ||| Select one: OA. I O B. II O C. III O D. All conformers have identical energies. CH₂CH3 H NOTE CH3CH₂ H no steric straina) Draw all Newman projections of your molecule's conformations in which the CH3 group and the H of the CHY2 group are positioned 'ANTI' to each other. Be sure to put in the correct X and Y atoms, bonded to the correct C atoms, for your molecule. X = FY=I Conformations = 60 deg and - 180 deg 60 deg dihedral angle = - 179.987 deg 180 deg · - dihedral angle = 179.814 degWhich of the following Newman projections is NOT a conformational isomer of 1,2-dibromoethane? Br H BrH Br H Br Br B.H- D. H- A. С. H- -Br -H- Br H. H Br HH H H H H