Practice_Quiz_4

Practice_Quiz_4 - Chemistry 322aL Practice Quiz 4(1 Provide...

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Chemistry 322aL Practice Quiz 4 (1) Provide the IUPAC names of the following compounds. (CH 3 ) 3 CCH 2 CH 2 CH 3 CH 3 CHClCH 2 CH(CH 3 ) 2 CH 3 CH 2 CHOH CH 3 CH 3 CH 3 OH BrCH 2 CH 2 CH 2 C CH 2,2-dimethylpentane 2-chloro-4-methylpentane 2-butanol 1,3-dimethylcyclohexene 2-pentenol (pent-2-en-1-ol) 5-bromo-1-pentyne
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CH 2 CH 3 Cl H CH 3 H H (2) The name of this compound is 3-chloropentane . (3) Draw a Newman projection formula for the lowest energy conformation during rotation around the C 2 -C 3 bond in butane. What is the name of this conformation? CH 3 CH 3 H H H H anti Is there torsional strain in this structure? Is there steric strain in this structure? No No
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The heats of combustion of three isomeric cycloalkenes are given below. What is the stability order of these compounds? CH 3 CH 3 I II III heat of combustion, ! " # comb (kcal/mol) -896.0 -900.0 -897.0 I > III > II Can the heats of hydrogenation of these isomeric alkenes be used to assess their relative stabilities? Why? No.
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Practice_Quiz_4 - Chemistry 322aL Practice Quiz 4(1 Provide...

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