A. two B.four 15. Which one of the following compounds has highest boiling point? 1. CH3CH2CH3...
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....
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?...
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...
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...
Which of the following compounds has the highest boiling point? CH3COCH2CH3 CH3CH2CH2NH2 CH3CH2CH2F CH3CH2CH2CH3 What hybrid orbitals of C1 are involved in the bonding of the molecule? H :O: 11 H-N-C-C2-02-H II H:01 H-C-H H sp2 sp3 sp sp3d
12) Rank the following alkanes in order of decreasing boiling point, putting the alkane with the highest boiling point first. I A. I>I> I B. I> IlIl> II C. II> Ill> D. II> II> 13) Which of the following is the most stable conformation of cis-1-ethyl-3-isopropylcyclohexane? IV A. I B. II C. II D. IV 14) What term describes the structural relationship between (2R,3R4S)-2,3,4-trichloroheptane and (2S,3S,5R)-2,3,5- trichloroheptane? A) not isomers B) constitutional isomers C) enantiomers D) diastereomers E) conformers
Testbank, Question 018 Which one of the following compounds has the highest boiling point? o OH H 0 OH IV V ΟΙ O II III Ο IV OV
23. Which of the following correctly ranks the compounds below by ascending boiling point? I. CH3COCH II. KC III. Kr IV. CH:CH(OH)CH A. I<II<IV<III . . B. III <IV<I<II I . C. II<IV <I<III D. III <I<IV<II
23. Which of the following correctly ranks the compounds below by ascending boiling point? I. CH3COCH3 II. KC1 III. Kr IV. CH3CH(OH)CH3 A. I< II <IV <II B. III <IV <I<II C. II<IV <I< III D. III <I<IV < II
1) 2-amino-3-hydroxybutanoic acid
2) 2,3-dinitrobutane
A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...