(PDF) Brief guide to the nomenclature of organic chemistry

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Added on 2021-04-24

(PDF) Brief guide to the nomenclature of organic chemistry

Added on 2021-04-24

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Assignment 51.Answer the following questions:a.Identify the 1°, 2°, and 3° hydrogen atoms in 3,3,4-trimethylhexane.b.Give the IUPAC name for each of the following:i)CH3CH(CH3)C(CH3)2CH2CH2CH(CH3)CH2CH3iii)c.The following structures are incorrectly named. Briefly explain the error and give the correct name for each.i)CH3CH2CH(CH3)2methylbutaneii)3-propylhexaneiii)OH2,3-dimethyl-5-hydroxypentane

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3.For each of the following cyclohexane derivatives, indicate whether the molecule is a cis or trans isomer, and whether it is in its most stable configuration. If the molecule is not in its most stable configuration, draw the most stable configuration you would get if you “flipped” the ring.

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NH2OHa)C(CH3)3CH3b)c)ClH3C4.The anti conformation of 1,2-dichloroethane, CH2ClCH2Cl, is 4.8 kJ·mol–1 more stable than the gauche form. The two energy barriers

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(relative to the energy of the gauche form) for the C—C bond rotation are 21.5 kJ mol–1 and 38.9 kJ mol–1.Construct a graph of potential energy versus angle of rotation (similar to Figure 2-13 in your textbook) for 1,2-dichloroethane. Show the energy differences on your graph. Draw a Newman projection formula to indicate the conformation present at each maximum and minimum on the graph.

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