Which of the following pairs of structures is not two conformations of the same molecule. H. Mecl H Me You and a five HCI Me A HCI Me H OH PhOH Ph. Ho. and HPh HPh HO HO B A B Me ✓ and mo Me Br Me Br and Me с D
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- Which pair has more in common with one another?Using your model of butane (CH3CH2CH2CH3) , complete the following graph of the anglebetween the two Me groups vs. potential energy. a. Label each Newman projection of butane on the graph with the words staggered, eclipsed, gauche, and anti, as appropriate. (Note that some structures will have more than one label.) b. Draw a wedge and dash bond representation of butane in its lowest P.E. conformation.Identify the highest and lowest energy conformation. If multiple energy conformations are degenerate, choose only one. Et H. Et Et H. H. MeEt Lowest Energy Me Highest Energy Et H. Et H. Et H. H- H. MeEt Highest Energy Me Lowest Energy Et H. Me H. Me C H H H. Me MeEt Highest Energy Lowest Energy Et H. Me Me H. H H Ме MeEt Lowest Energy Highest Energy OA OB OD
- which is most stable conformation int Et Me * H H Me H A. "iPr It' H HA Et Me H B. CH₂ ile Hips H- H с H ilra. 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.وCH H3C ۵- کلرو-۲- ایزوپروپیل سیکلو هگزانون 2 3.
- Which of the following is the staggered conformation for rotation about the C1- C2 bond in the following structure? HyCH;C H. CH H3C. H,C H. H,C H,CH C. H. Determine whether the molecules in each pair are the same or enantiomers. H H C CH;CH, a. CH3CH2 l CI CH3 CH3 H H b. H3C HOWCH, Cl но Но CH3 CH3 H CH c. CH3 H HC, CH3 CH3 H;C. H,C || CH2 CH3 CH2All of the following conformational models are representative of 2,3-dimethylpentane. Which of these models corresponds to its S isomer? Et OA H. Me Me H. Me OB. Me H. Et Me H. Мe OC. iPr H Me Me H. H OD. Me H H H -iPr Me MacBook PrO esc #3 24 % & 3 7 8 Q W E R eco
- Which statement is true about these conformers? H. H. H H CH3 H3C H. H,C H,C H. H. A O A and B are equally stable O Difficult to predict O A more stable than B ) B more stable than4. Name the may be in unusualo conformations.. a. Octane? aribon eaignaind aotcupe esbrin i (ofonia) oM to Y 10ol oldfarog ets omen brus érercoei Ho otoubune bobriaqxsart s20 audivang adt no nodaoup ni eA.bruon b. homugye dncen pulacg sdi oteibni ol HuenoD isb nodhs or no motsenmond orl oofeue CH oms 29toude eiwol bovb ebriuogmon Tolgriwollot C. Iciinstog lla ol aouibuna anil o wber HD lo ud orl 3o1 elsborm teluos wov to rono lo ed VC d.Which of the following is the highest energy chair conformer of the most stable isomer of 1-ethyl-2,4-dimethylcyclohexane? A | B II C) III IV = || ||| > IN