HC CH,Lab Workshop 5: Nomenclature of alkane and cycloalkanesEach student work group choose a Leader (reads activity out loud, poses questions to group), Facilitator (makes sureeveryone is participating equally, directs the conversation), Recorder (takes note on discussion, learned concepts and anyconclusions), and Presenter (announces conclusions or presents activity to class).A. Nomenclature of Unbranched Alkanes (IUPAC System – International Union of Pure and Applied Chemistry)Alkane = molecule consisting entirely of carbon and hydrogen atoms connected by single bonds.Critical Thinking Question (CTQ):1. Cross out each molecule that is not an alkaneH2H3C`CH3HạCCH`CH3H,CCHH3CH3C`CH3HOH3CCH3Memorization Task 1:Unbranched AlkanesNAMEStructure# carbon atomsmethaneCH4CH;CH;CH;CH;CH;ethanepropanebutaneCH;(CH2);CH3CH3(CH2);CH3CH;(CH2),CH3CH;(CH2),CH345pentanehexane6heptaneoctaneCH3(CH2),CH38.CH3(CH2);CH3CH3(CH2);CH3CH3(CH2)»CH3CH3(CH2)10CH3CH3(CH2)1|CH3CH3(CH2)12CH3CH3(CH2)18CH3nonane9decane10undecane11dodecane12tridecane13tetradecane ...14eicosane20Critical Thinking Questions:2. Write the correct name of the unbranched alkane in CTQI.3. What suffix do all the names of unbranched alkanes have in common?4. What prefix stands for six carbons? B. Nomenclature of Branched Alkanes:Parent Chain = longest continuous carbon chain found in a branched compound.Substituent = groups branching off the parent chain (side chain numbering always starts at the atom connected to the parentchain);Alkyl groups = substituent groups branching off the parent chain that consist entirely of carbon and hydrogen.locant = the carbon number where a group branches off the parent chain (used to indicate the location of a substituent)Critical Thinking Question (CTQ):5. Circle the parent chain in each molecule below and name the parent chain.6. Number the parent chain to give the substituents the lowest number possible.CH3CH3CH2CH,Parent chain = octaneIUPAC name = 2,5,6-trimethyloctaneCommonly found alkyl substituentsStructureMemorization Task 2:NAME# carbon atomsmethylethylп-propylisopropylCH-CH,CH,CH,CH-CH-2H,CH,CCH(CH2)½CH2-n-butyl4isobutylCH-CHH.Csec-butylCH,CHinCH,H,Ctert-butyl4H,C|n-pentylCH:(CH),CHy-5NOTE- If multiple different substituents exist on a parent chain, list them alphabetically, not including the di, tri, sec or tertprefixes (but iso is included when alphabetizing)7. In the IUPAC name in CTQ6, what information do the numbers in the names convey?8. What does the word "tri" indicate?9. Give the IUPAC names for the remaining two molecules above.10. Explain what is wrong with each of the following names and correct each name:4,4-dimethylpentanea.b. 1,1,1-trimethylbutanec. 2,2-methylpentaned. 2-dimethylpentanee. 6-ethyl-2-methyl-4pentyloctane

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Lab Workshop 5: Nomenclature of alkane and cycloalkanes Each student work group choose a Leader (reads activity out loud, poses questions to group), Facilitator (makes sure everyone is participating equally, directs the conversation), Recorder (takes note on discussion, learned concepts and any conclusions), and Presenter (announces conclusions or presents activity to class). A. Nomenclature of Unbranched Alkanes (IUPAC System - International Union of Pure and Applied Chemistry) Alkane = molecule consisting entirely of carbon and hydrogen atoms connected by single bonds. Critical Thinking Question (CTQ): 1. Cross out each molecule that is not an alkane H2 H3C CH3 CH CH3 H,C CH H,C H,C CH3 HO H3C CH3

Lab Workshop 5: Nomenclature of alkane and cycloalkanes Each student work group choose a Leader (reads activity out loud, poses questions to group), Facilitator (makes sure everyone is participating equally, directs the conversation), Recorder (takes note on discussion, learned concepts and any conclusions), and Presenter (announces conclusions or presents activity to class). A. Nomenclature of Unbranched Alkanes (IUPAC System - International Union of Pure and Applied Chemistry) Alkane = molecule consisting entirely of carbon and hydrogen atoms connected by single bonds. Critical Thinking Question (CTQ): 1. Cross out each molecule that is not an alkane H2 H3C CH3 CH CH3 H,C CH H,C H,C CH3 HO H3C CH3

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter21: Organic And Biological Molecules

Section: Chapter Questions

Problem 7RQ

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