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12 The IUPAC name for the following compound is (circle your choice): (i)(2S, 3S)-2,3-dibromopentane (ii) (2R,...
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C....
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C. R and R R and S S and S D. S and R 30 Give the configurations, reypectively, of the folowing two molecules H CH CHy A. B. C. R and R R and S Sand S D. S and R Which one of the following groups has the highest rank as assigned by the Cahn- Ingold-Prelog system for stereogenic (chiral) carbons?...
Indicate the stereochemical configuration for the tetrahedral centers shown below. OR OS not a configuration center...
Indicate the stereochemical configuration for the tetrahedral centers shown below. OR OS not a configuration center Br R OS not a configuration center ООО Select the proper IUPAC name for the following compound, including the (R) or (S) designation where appropriate. Н. - (2R,3S)-2-chloro-3-methylpentane (29,3R)-2-chloro-3-methylpentane (2R 3R)-2-chloro-3-methylpentane O (2S,3S)-2-chloro-3-methylpentane Classify the following pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. Also, select the correct IUPAC name, including the correct (R) or (S) designation, for...
Rank these compounds in terms of acid strength from strongest to weakest. on oma A) I>II>...
Rank these compounds in terms of acid strength from strongest to weakest. on oma A) I>II> IV > III B) >> I > IV C) > I >> IV D) > >IV> Vhich compound is the best substrate for an S2 reaction? Which compound is meso? A) (2,3R)-2,3-Dibromobutane B) (2,35)-2,3-Dibromopentane C) (2R, 4R)-2,4-Dibromopentane D) (2R.45)-2,4-Dibromopentane Which CHO isomer gives the following H NMR spectrum? y e her
A. two B.four 15. Which one of the following compounds has highest boiling point? 1. CH3CH2CH3...
A. two B.four 15. Which one of the following compounds has highest boiling point? 1. CH3CH2CH3 II. CH3CH2OH III. CH3OCH3 C. six D. eight AI B. II CINI 16. What occurs when an optically active alcohol reacts with HBr to give an alkyl halide? A. complete inversion of configuration takes place at the chirality center B. incomplete and varying inversion of configuration takes place at the chirality center C. the chirality center retains its configuration D. the molecule loses its...
A. two B. four C. six D. eight 15. Which one of the following compounds has highest boiling point? I. CH3CH2CH3 II....
A. two B. four C. six D. eight 15. Which one of the following compounds has highest boiling point? I. CH3CH2CH3 II. CH3CH2OH III. CHOCH A. I B . II C. III 16. What occurs when an optically active alcohol reacts with HBr to give an alkyl halide? A complete inversion of configuration takes place at the chirality center B. incomplete and varying inversion of configuration takes place at the chirality center C. the chirality center retains its configuration D....
A. aldehyde B. ketones C. carboxylic acids D. esters 7, How many stereoisomers of 2,4-pentanediol are...
A. aldehyde B. ketones C. carboxylic acids D. esters 7, How many stereoisomers of 2,4-pentanediol are possible? но он В. З A. 2 C. 4 D. 6 8.Which one of the following is a diastereomer of (2R, 3R)-2,3-dibromopentane? A. (2S,3S)-2,3-dibromopentane C.R-1,2-dibromopentane B. (2S,3R)-2,3-dibromopentane D. (2R,4R)-2,4-dibromopentane 9. Which one of the following groups has the highest rank as assigned by the Cahn-Ir Prelog system for stereogenic carbons? A. -CH-CH2 B. -CH20H C.-CH-0 D. -CH2SH 10. Which of the following statements are...
A. aldehyde A. two 15. W B. ketones C. carboxylic acids D. esters 7. How many stereoisomers of 24-pentanediol are p...
A. aldehyde A. two 15. W B. ketones C. carboxylic acids D. esters 7. How many stereoisomers of 24-pentanediol are possible? HO D. 6 A. 2 B.3 C. 4 8. Which one of the following is a diastereomer of 2R 3R)-2,3-dibromopentane? B. (25,3R)-2,3-dibromopentane D. (2R, 4R)-2,4-dibromopentane A. (2S,3S)-2,3-dibromopentane C. R-1,2-dibromopentane y. Which one of the following groups has the highest rank as assigned by the Cahn-Ingold Prelog system for stereogenic carbons? A. -CH=CH2 B. -CH2OH C. -CH=0 D.-CH2SH 10. Which...
12) What is the IUPAC name of the compound shown below? C2HS Br CH 3 Br...
12) What is the IUPAC name of the compound shown below? C2HS Br CH 3 Br C1 Н CH 3 A) 2R,3S,4S)-2-chloro-3,4-dibromo-3-methylhexane B 2R,3S,4S)-3,4-dibromo-2-ch loro-3 -methylhexane C) (3S,4S,5S)-3,4-dibromo-5 -chloro-4-methylhexane D) (2R,3R,4S)-3,4-dibromo-2-chloro-3-methylhexane E) (2R,3S,4R)-3,4-dibromo-2-chloro-3-methylhexane H
8. What is the IUPAC name for the following compound? A) 2,3-Dimethyl-4-sec-butylheptane B) 4-sec-Butyl-2,3-dimethylheptane C) 3,5,6-Trimethyl-4-propylheptane...
8. What is the IUPAC name for the following compound? A) 2,3-Dimethyl-4-sec-butylheptane B) 4-sec-Butyl-2,3-dimethylheptane C) 3,5,6-Trimethyl-4-propylheptane D) 2,3,5-Trimethyl-4-propylheptane 9. Rank the conformers of butane in order of decreasing stability, putting the most stable first. CH3 Онс сн сн, H CH CH н, сH, н" CH3 Н. H FH H H н H H H н H H IV C) II> III> I> IV D) I>IV> II>II A) IV>I>II> III B) IV>1>1II> II 10. Which of the following chair conformations represents...
12) What is the IUPAC name of the compound shown below? C2Hs H- Br Br CH...
12) What is the IUPAC name of the compound shown below? C2Hs H- Br Br CH 3 HC1 CH 3 (A) X2R,3S,4S)-2-chloro-3,4-dibromo-3-methylhexane BH2R,3S,4S)-3,4-dibromo-2-chloro-3-methylhexane C) (3S,4S,5S)-3,4-dibromo-5-chloro-4-methylhexane D) (2R,3R, 4S)-3,4-dibromo-2-chloro-3-methylhexane E) (2R,3S,4R)-3,4-dibromo-2-chloro-3-methylhexane
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C. R and R R and S S and S D. S and R 30 Give the configurations, reypectively, of the folowing two molecules H CH CHy A. B. C. R and R R and S Sand S D. S and R Which one of the following groups has the highest rank as assigned by the Cahn- Ingold-Prelog system for stereogenic (chiral) carbons?...
Indicate the stereochemical configuration for the tetrahedral centers shown below. OR OS not a configuration center Br R OS not a configuration center ООО Select the proper IUPAC name for the following compound, including the (R) or (S) designation where appropriate. Н. - (2R,3S)-2-chloro-3-methylpentane (29,3R)-2-chloro-3-methylpentane (2R 3R)-2-chloro-3-methylpentane O (2S,3S)-2-chloro-3-methylpentane Classify the following pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. Also, select the correct IUPAC name, including the correct (R) or (S) designation, for...
Rank these compounds in terms of acid strength from strongest to weakest. on oma A) I>II> IV > III B) >> I > IV C) > I >> IV D) > >IV> Vhich compound is the best substrate for an S2 reaction? Which compound is meso? A) (2,3R)-2,3-Dibromobutane B) (2,35)-2,3-Dibromopentane C) (2R, 4R)-2,4-Dibromopentane D) (2R.45)-2,4-Dibromopentane Which CHO isomer gives the following H NMR spectrum? y e her
A. two B.four 15. Which one of the following compounds has highest boiling point? 1. CH3CH2CH3 II. CH3CH2OH III. CH3OCH3 C. six D. eight AI B. II CINI 16. What occurs when an optically active alcohol reacts with HBr to give an alkyl halide? A. complete inversion of configuration takes place at the chirality center B. incomplete and varying inversion of configuration takes place at the chirality center C. the chirality center retains its configuration D. the molecule loses its...
A. two B. four C. six D. eight 15. Which one of the following compounds has highest boiling point? I. CH3CH2CH3 II. CH3CH2OH III. CHOCH A. I B . II C. III 16. What occurs when an optically active alcohol reacts with HBr to give an alkyl halide? A complete inversion of configuration takes place at the chirality center B. incomplete and varying inversion of configuration takes place at the chirality center C. the chirality center retains its configuration D....
A. aldehyde B. ketones C. carboxylic acids D. esters 7, How many stereoisomers of 2,4-pentanediol are possible? но он В. З A. 2 C. 4 D. 6 8.Which one of the following is a diastereomer of (2R, 3R)-2,3-dibromopentane? A. (2S,3S)-2,3-dibromopentane C.R-1,2-dibromopentane B. (2S,3R)-2,3-dibromopentane D. (2R,4R)-2,4-dibromopentane 9. Which one of the following groups has the highest rank as assigned by the Cahn-Ir Prelog system for stereogenic carbons? A. -CH-CH2 B. -CH20H C.-CH-0 D. -CH2SH 10. Which of the following statements are...
A. aldehyde A. two 15. W B. ketones C. carboxylic acids D. esters 7. How many stereoisomers of 24-pentanediol are possible? HO D. 6 A. 2 B.3 C. 4 8. Which one of the following is a diastereomer of 2R 3R)-2,3-dibromopentane? B. (25,3R)-2,3-dibromopentane D. (2R, 4R)-2,4-dibromopentane A. (2S,3S)-2,3-dibromopentane C. R-1,2-dibromopentane y. Which one of the following groups has the highest rank as assigned by the Cahn-Ingold Prelog system for stereogenic carbons? A. -CH=CH2 B. -CH2OH C. -CH=0 D.-CH2SH 10. Which...
12) What is the IUPAC name of the compound shown below? C2HS Br CH 3 Br C1 Н CH 3 A) 2R,3S,4S)-2-chloro-3,4-dibromo-3-methylhexane B 2R,3S,4S)-3,4-dibromo-2-ch loro-3 -methylhexane C) (3S,4S,5S)-3,4-dibromo-5 -chloro-4-methylhexane D) (2R,3R,4S)-3,4-dibromo-2-chloro-3-methylhexane E) (2R,3S,4R)-3,4-dibromo-2-chloro-3-methylhexane H
8. What is the IUPAC name for the following compound? A) 2,3-Dimethyl-4-sec-butylheptane B) 4-sec-Butyl-2,3-dimethylheptane C) 3,5,6-Trimethyl-4-propylheptane D) 2,3,5-Trimethyl-4-propylheptane 9. Rank the conformers of butane in order of decreasing stability, putting the most stable first. CH3 Онс сн сн, H CH CH н, сH, н" CH3 Н. H FH H H н H H H н H H IV C) II> III> I> IV D) I>IV> II>II A) IV>I>II> III B) IV>1>1II> II 10. Which of the following chair conformations represents...
12) What is the IUPAC name of the compound shown below? C2Hs H- Br Br CH 3 HC1 CH 3 (A) X2R,3S,4S)-2-chloro-3,4-dibromo-3-methylhexane BH2R,3S,4S)-3,4-dibromo-2-chloro-3-methylhexane C) (3S,4S,5S)-3,4-dibromo-5-chloro-4-methylhexane D) (2R,3R, 4S)-3,4-dibromo-2-chloro-3-methylhexane E) (2R,3S,4R)-3,4-dibromo-2-chloro-3-methylhexane
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