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- PROBLEM 3-11 Draw a graph, similar to Figure 3-9, of the torsional strain of 2-methylpropane as it rotates about the bond between C1 and C2. Show the dihedral angle and draw a Newman projection for each staggered and eclipsed conformation.Example 2 a) + CH,CI CH3 HCI CH3CCI=CH2 b) CH3C=CH + HCI (CH3)C=O + HCN (CH3)2C(OH)CN c) d) CH3CH2CH2B1 CH3CH=CH2 + HBr e) CH3CH2CH2Br + NaCN CH3CH2CH2CN + NaBr f) CH3CH=CH2 + HBr, CH3CHBRCH3 g) OH Br Br + 3 Br, З HBr Br h) C6H5COCH3 + HCN CoHsC(CN)(OH)CH3 H. H. H -C- H.Question 5 of 7 > O Macmillan Learning Consider the three structures. 1,1-dimethylcyclobutane 1,1,3,3,5,5-hexamethylcyclohexane (a) Which of these structures has the most angle strain? staggered butane O 1,1,3,3,5,5-hexamethylcyclohexane O 1,1-dimethylcyclobutane (c) Which of these structures has the most torsional (eclipsing) strain? staggered butane O 1,1-dimethylcyclobutane O 1,1,3,3,5,5-hexamethylcyclohexane staggered butane H H H3C Ilm CH3 (b) Which of these structures has the most steric strain? O 1,1,3,3,5,5-hexamethylcyclohexane O 1,1-dimethylcyclobutane staggered butane
- 3-34 Which of the following structures represent the same compound? Which ones represent different compounds? (d)There are two different substances with the formula C4H10. Draw both, and tell how they differ.3 - 48 Convert each Newman projection to the equivalent line angle formula, and assign the IUPAC name f) g)
- 10 attempts left Check my work Be sure to answer all parts. We can use bond-line formulas to represent alkenes in much the same way that we use them to represent alkanes. Consider the following alkene: سكر How many carbon atoms are sp²-hybridized in this alkene? How many are sp³-hybridized? sp²-hybridized: sp³-hybridized:Which of the following statements is true? (Select all that apply.) The boiling point increases, as the number of branches increases on isomers of an alkane. The boiling point of an alkane increases as the molar mass increases. The boiling point decreases, as the number of carbons increase in straight chain alkanes (no branches). None of thesePROBLEM 3-4 Provide IUPAC names for the following compounds. (a) (CH3)2CHCH½CH3 (b) CH3— С (СН3)2 — СHз - CH,CH, CH, CH,CH, (c) CH,CH,CH,CH–CH(CH,), (d) CH,-CH-CH,-CH-CH, | Ç(CH,), CH,-CHCH,CH, e) CH,CH,CHCHCH, (f) (CH,),C-CH–CH,CH,CH, CH(CH,),
- Concept Check No. 4 (Continued). For Problem No. 7.29 (q) to (v), IDENTIFY the given pair of structures as described below and WRITE: EN if the pair represents ENANTIOMERS DI if the pair represents DIASTEREOMERS Co if the pair represents CONSTITUTIONAL isomers ID if the two molecules represent IDENTICAL compounds (q) H,C- OH and H,C- OH (r) (CH,),C and (CH,),C- (s) and -CH3 CH3 H3C (t) and CH, H3C. H. CH, (u) and H,C. H. CH3 (v) and Answers: (q) (r) (s) (t) (u) (v)3-33 Which of the following structures represent the same compound? Which ones represent different compounds? CH3 CH3 CH3 H H H H H 1 1 H-C-C-C-C H H 1 (a) H-C-C-C-H H H CH₂ (b) (d) (e) (f) CH3 CH3 H. H H ..H Η CH3 H CH3 H CH3 CH3 CH3 CH3 CH3 H H H CH3 CH3 H3C. H₂C H CH₂ H HHH H H H H ad at CH,_ _H CH3 CH3 | -H H-C-C-H_H-C-C-H H-C-C-H CH₂ H a H CH3 H CH3 H CH3 H CH3 H₂C CH3 H CH3 H H CH3 H₂CH, H CH3 CH3 CH 3 CH₂ H H H3C. H H | | HH CH₂ H CH3 H H CH₂ H H H CH₂ -CH3 -CH(CH3)2 H3C. H H CH3 1 H CH3 CH₂CH3 H[Relerences H;C H3C CH3 CH3 CH3 CH3 CH3 H,C CH, HO CH3 Violaxanthin How many double bonds in this terpenoid compound are capable of cis,trans isomerism? Of these, how many are in the cis configuration? Submit Answer Try Another Version 10 item attempts remaining