From Table 1.1 indicates, among other things, the melting points of various fatty acids. Analyze the trend that the melting points of saturated fatty acids follow, from n-dodecanoic (CH3-(CH2) 10-COOH) to n-tetracosanoic (CH3-(CH2)22-COOH), and answer both next questions. Briefly justify your answers.i) What value would you expect the melting point of triacontanoic acid (CH3-(CH2) 28-COOH) to have? Choose one of the following options:a) More than 200 ° Cb) About 94 ° Cc) Less than 86 ° Cd) Exactly 86.1 ° Cii) What value would you expect the melting point of octanoic acid (CH3-(CH2) 6-COOH) to have? Choose one of the following options:a) 43.5 ° Cb) -20 ° Cc) About 20 ° C tableSome Naturally Occurring Fatty AcidsSolubility at 30 °C(mg/g solvent)CarbonskeletonStructureSystematic nameCommon name(derivation)Meltingpoint ("C) WaterBenzene12:0CH,(CH,.C0OHn Dodecanoic acid44.20.063 2,600Lauric acid(Latin laurus,"laurel plant")Myristic acid(Latin Myristica,nutmeg genus)Palmitic acid(Latin palma,"palm tree")14:0CH,(CH,),COOHn-Tetradecanoic acid53.90.02487416:0CH,(CH,.COOHn-Hexadecanoic acid63.10.008334818:0CH;(CHJsCOOHn-Octadecanoic acidStearic acid(Greek stear,"hard fat")69.60.003412420:0CH,(CHJuCOOHn-Eicosanoic acidArachidic acid(Latin Arachis,legume genus)76.524:0CH,(CH)COOHn-Tetracosanoic acid86.0Lignoceric acid(Latin lignum,"wood" + cera, "wax")16:1(A)CH,(CHJ;CH=CH(CH,COOH cis-9-Hexadecenoic acidCH,(CH,),CH=CH(CH,)»COOH cis-9-Octadecenoic acidPalmitoleic acid--0,518:1(4)Oleic acid(Latin oleum,"oil")13.4CH,(CHJ.CH CHCH CH=CHICH,,COOH18:3(4121) CH,CH,CH-CHCH,CH-CHCH,CH=CH(CH,),COOH20:4(A. CH,(CHJ,CH-CHCH,CH-CHCH CH-CHCH,CH-CH(CH,),COOH18:2(A19)cis-,cis-9,12-Octadecadienoic Linoleic acidacid-5(Greek linon, "flax")cis ,cis,cis-9,12,15-Octadecatrienoic acida-Linolenic acid-11cis,cis,cis-.cis-5,8,11,14-Icosatetraenoic acidArachidonic acid-49.5

The melting point of fatty acid is affected by length of carbon chain. The longer the hydrocarbon…

Answered: From Table 1.1 indicates, among other…

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter20: Organic Chemistry

Section: Chapter Questions

Problem 46A

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Question

From Table 1.1 indicates, among other things, the melting points of various fatty acids. Analyze the trend that the melting points of saturated fatty acids follow, from n-dodecanoic (CH₃-(CH₂) ₁₀-COOH) to n-tetracosanoic (CH₃-(CH₂)₂₂-COOH), and answer both next questions. Briefly justify your answers.

i) What value would you expect the melting point of triacontanoic acid (CH₃-(CH₂) ₂₈-COOH) to have? Choose one of the following options:
a) More than 200 ° C
b) About 94 ° C
c) Less than 86 ° C
d) Exactly 86.1 ° C

ii) What value would you expect the melting point of octanoic acid (CH₃-(CH₂) ₆-COOH) to have? Choose one of the following options:
a) 43.5 ° C
b) -20 ° C
c) About 20 ° C