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- Choose all compounds shown below (A-F) that can exist as pairs of cis-trans isomers: CH3CH2CH=C(CH3)2 CH3CH=C(CH3)CH2CH3 BrCH=CHCI CH2=CHCH3 C B D A OA Ов C D ОЕ OF BrCH2CH=CHCH2Br CH3CH=C(CH2CH3)2 E FWhich pair of structures are enantiomers? COOH CH3 H HO HOOC OH CH3 H CH2CH3 Br H CH2CH3 Br cl H CH2CH3 CH3 H CH3 HO HO H CH2CH3 II, III I, II, III |, ||| I, IIStarting from the Newman projection below, rotate the back carbon to provide the structure in the least stable conformation. (H3C)₂HC H Q IX H^ H H CH3 o
- 1) Consider the following 5 compounds: NH2 H3C- NHh = white Cos H=red NH2 NH2 NH2 COOH H- -COOH COOH H3C čOOH NH2 čOOH H3C H- -NH2 ČOOH II II H3C H NH2 COOH H, COOH H3C. COOH NH2 NH2 COOH NH2 IV Indicate which of the following TWO structures are described by the following (use all ten a. possible combinations, +&4, I & II, &-V, 1& V, I & I,tt&V, H&V, II & IV, II & V, V-& Identical:+V, Enantiomers: | V,1-11 Diastereomers: lIV IV, N V b. Indicate which of the above compounds WILL rotate plane polarized light when dissolved in solution by writing their Roman numeral(s) here.Draw at least four (4) Levwis Structures for the following molecular formula's. CAH&O2 H:0: H. H-C-C -0-ċ-C-H vo. CH3 CHOFor the molecule below, assign configurations (R or S) at C4, C5, and C6. C6 'OH OH C4 Но ОН C5 O C4: R; C5: R; and C6: R C4: S; C5: S; and C6: S C4: S; C5: R; and C6: R C4: R; C5: S; and C6: R C4: R; C5: S; and C6: S