Choose from A - E the term that best describes the isomeric relationship for each of the following pairs of compounds. OH OH Der Is OA Constitutional isomers OB. Same compound OC. Enantiomers OD. Conformational isomers OE. Diasteriomers "NH₂ "NH₂
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- 9) Which of the following terms best describes the following pair of molecules? A) Geometricisomers B) Configurational isomers C) Constitutional isomers D) Conformational isomerWhich of the following compounds are constitutional isomers? (i) (ii) a. (i) and (ii) b. (i) and (iii) c. (ii) and (iii) d. all of them (iii)Which of the following represent constitutional isomers? Choose the most correct answer. H NH2 N. H. (i) (ii) (iii) (iv) (v) Oi and i Oi, iv, and v Oi and v O ii and i O i, ii, and iv
- Which of the pairs of compounds are enantiomers (optical isomers)? H3C H OH ☐ H₂C-CH₂ CH3CH₂CH₂CHCH3 H3C SH III. C. H H CH₂ Br -CH3 HO H3C H3C- H Br SH CH3CH₂CHCH₂CH3 H₂C- G|||| CH3 H3C- ** H CH₂ H CH3 H CH3What kind of isomerisation occur in the pairs a-f?Define the structural relationship between the following molecules. CH3 он H он .Co,H H- OH VS Br OH Br HO. Identical Compounds Meso Compounds O Constitutional Isomers Enantiomers Diastereomers O Geometric Isomers O Different Compounds
- Áll of the following conformational models are representative of 2,3-dimethylpentane. Which of these models corresponds to its S isomer? Me H Et Me H. Ме Et H Me Me H. Me Me H H H -iPr Me iPr. H Me Me H1) 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.1. Which of the following compounds is separable by a physical method such as distillation? D A B.
- Which of the following represent constitutional isomers? Choose the most correct answer. H N. ZHN H (i) (ii) (iii) (iv) (v) O i, iv, and v ii and i Oi, ii, and iv Oi and v Oi and iiiMatch the pairs of compounds with the type of isomerism. Match each item to a choice: and and OH он and CI and and ÓH Choices: : diastereomer : positional isomer E functional isomer : enantiomer : EZ configuration : cis, trans configuration : skeletal isomerIndicate the relationship between each pair. Choose from: configurational stereoisomers,conformers, constitutional isomers, or different formulas (Each term is used at least twice.)