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- Naming Alkenes 7-37 Name the following alkenes: (a) CH3 (b) CH3 CH2CH3 (c) CH2CH3 CH3CHCH2CH,CH CH3 H2C=CCH2CH3 CHCH2CH3 C=C H C=C H3C H3C H. H (f) H2C=C=CHCH3 (е) CH3 C=C (d) H H3C C=C CH3 C=C CH3 H3C H. H2C=CHCHCH CH3CH2CH2 CH37-37 Name the following alkenes: (a) CH3 (b) CH3 CH2CH3 (c) CH2CH3 CH3CHCH2CH2CH CH3 H2C=CCH2CH3 H CHCH2CH3 c=C c=C H3C H H3C (d) H CH3 (e) H H. (f) H2C=C=CHCH3 c=c H2C=CHCHCH H3C H3C c=C CH3CH2CH2 C= H CH3 CH3 CH3Identify the correct structure below that represents the following molecule: (3E,5 E)-6-chloro-3,5-octadien-1-ol CI HO CI OH CI OH CI OH CI OH
- 3) What is the approximate pKa of the hydrogen indicated by the arrow below: A) -7 B) 0 C) 5 D) 10 E) 15 ο ο ο ο ο O(A) O (B) O (C) O (D) O (E) Question 4 OH 4) Which of the following represents a correct Newman Projection sighting down the C molecule shown in the Box below: eye4-44 Draw the important resonance forms of the following free radicals. (a) CH₂=CH-CH₂ (b) (d) (e) -CH₂ (c) (f) CH₂-C-0.1. Identify the functional group in the following molecules. Circle them on the structures and mark which functional groups they have. (a) Ⓡ +H₂N-CH- HO CO CH₂ C=0 NH₂ C-H H-C-OH CH₂OH OH H OH Vitamin C -C-CH₂OH H₂CO (b) H₂CO CH3 (f) _NH CH HO-C-H HN COOH C=O CH₂ H-C-OH CH3 H-C-OH H-C-OH CH₂OH Nicotinic acid (niacin) OH Coenzyme Q (c) (d) CH,-O- 1-(CH₂) HỌ–CH CH3 (CH₂-CH=C-CH₂) 10H +H₂N-CH- O CH,—O- -OH OH مل CH₂ SH -(CH₂)14-CH3
- 5-56 Identify the indicated hydrogens in the following molecules as pro-R or pro-S: (a) (b) (c) H H H H CO2H CH3S. CO, .CO2 HO2C HS но н H H H3N H H3N H Malic acid Methionine CysteineBr LiCu(CH3)2 6 (1) LiAlH4 2 3 Ahol follow (2) H₂O 0 Aci HBr (xs) H (2) H₂O+ -Li3-39 The following names are all incorrect or incomplete, but they represent real structures. Draw each structure and name it correctly. (a) 2-ethylpentane (d) 2-dimethylbutane (b) 3-isopropylhexane (e) 2-cyclohexylbutane (c) 5-chloro-4-methylhexane (f) 2,3-diethylcyclopentane
- 3) Add curved arrows to the following polar reactions to indicate the flow of electrons in each: (al + H-N-H H--N-H (b) CH-ö H-C-Br: CH-ö-CH3 (e) H3CThe correct configurations of the carbons indicated by 1, 2 and 3 below are: CH3 2 Br" ''OH 1 3 (a) 1=R, 2=R, 3=S (b) 1=S, 2=R, 3=R (c) 1=R, 2=S, 3=S (d) 1=S, 2=S, 3=R (e) None of the above2-38 Draw as many resonance structures as you can for the following species: (a) :0: (b) (c) :NH2 + .. H3C-C-CH2- H2N-C=NH2 H (d) H3C-S-CH2 (e) H2C=CH-CH=CH-CH-CH3