SELECT the BEST ANSWER, though it may appear that there is more than one suitable answer. Indicate, by alphabet, if the following pairs of structures are A = same compound B = constitutional (structural) isomers D = E-Z isomers E = enantiomers F = diastereomers %3D a. H H H нн H H Н—С—С—С—С—Н H H HGH H H H H b. H Cl Cl H C. H Cl H H
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Please answer a-d.
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- (a) Describe the molecular geometry expected for 1,2,3-butatriene (H2C=C=C=CH2). (b) Two stereoisomers are expected for 2,3,4-hexatriene (CH3CH=C=C=CHCH3). What should be the relationship between these two stereoisomers?Determine whether the two structures in the following pairs represent diastereomers, enantiomers, structural (constitutional) isomers, identical molecules, or are unrelated. OH H. C=c=c;' Br Br CC=c=c; Но- Br and H. Br a Br Br 23 c abubonq I2 be Sa H CI 01 CH3 CI, H and Br Co,H and Br H3C HO,C ci H bns Sa H CI Br H. H3C- H- H3C- Br H,C CH Br and and H- -CH3 CH3 Br CH3 CH313. Classify the pairs of molecules as not the same molecule, structural isomers, diastereomers. enantiomers or identical. Circle any molecules that are not achiral. (a) (b) (c) F X Br. H H HY CI "Br Br H H CI H3C Br H Br I I Br CI H Br CH H H CH3 Br
- SELECT the BEST ANSWER, though it may appear that there is more than one suitable answer. Indicate, by alphabet, if the following pairs of structures are A = same compound B = constitutional (structural) isomers D = E-Z isomers E = enantiomers F = diastereomers %3D a. H H H нн H H Н—С—С—С—С—Н H H HGH H H H H b. H Cl Cl H C. H Cl H HCalculate the number of degrees of unsaturation for each molecular formula, and propose two possible structures: (a) C8H12; (b) C10H10.Possesses C2H6 isomerin one isomer three isomers O 0⁰ O
- Which of the following compound is/are meso: * OH CH CI CH CH, CH CH CH OH CI сH CH CH CH CH, II IV I and IV O Il and II O Il and IVI: Determine the isomeric relationships between the following pairs of molecules. The possible answers include not isomers, identical molecules, constitutional isomers, conformational isomers, enantiomers, dia F HO G CH3 но- CH3 ÓH H OH он NH2 NH2 CH3 CI ÇI CH3 ÕH ÓHFOR/ • Ang • Tors • Ster O what structural cfects do the ff. opds exhivit? Enumate all. Then idenbify the pred ommant effect. (a) 언 NO2 (c) 1.4 S Elec
- Are the following structures the same (identical) or isomeric (different)? F-S-CI and L |||||4 Same Isomeric F-S―F F "Cl1) For each pair of structures, determine if they are identical (I), resonance forms (RF), structural isomers (S), conformers (C), enantiomers (E), diastereomers (D), or None (N). b) F H OCH 3 H3CO H F Om Ω d) f) CI CI LL www LL CH3 H CI CH H H H H3C CI CH3Draw and name the seven aldehydes and ketones with the formula C5H10O. Which are chiral?