Ch. 12 Alkenes, Alkynes, and Aromatic Compounds – Flashcards

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The compound 1-butyne contains
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a triple bond
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Which of the following is the IUPAC name for the compound?
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1-bromo-3-methylcyclohexene
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Name this compound.
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3-ethyl-3-methyl-1-hexene
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An unsaturated compound always
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contains at least one double or triple bond.
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Which of the following names are correct?
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1-chloro-3-propylbenzene
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The compound below is named
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benzene
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What is the name of the compound shown below?
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trans-2-pentene
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Which of the following compounds has the smallest number of hydrogen atoms?
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butyne
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What is the IUPAC name for the following compound?
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4-chloro-4,5-dimethyl-2-hexene
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A hydrocarbon with a double bond is a/an
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alkene
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The name of the compound shown below is
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m-ethyltoluene.
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Small molecules that make up the repeat unit in polymers is called
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monomers.
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The IUPAC name for ethylene is
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ethene.
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The structural formula for benzene is often represented as a
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ring of six carbon atoms with a circle in the center.
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Which of the following names are correct?
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3-ethyl-1-heptene
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The major product of reaction of 3-methyl-2-pentene with HCl is
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3-chloro-3-methylpentane.
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Insects communicate with chemicals called
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pheromones.
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When naming an alkene, the parent chain is the longest carbon chain
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that contains both atoms of the double bond.
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What is the molecular formula of benzene?
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C?H?
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The odors you associate with lemons, oranges, roses, and lavender are due to
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alkenes.
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The reaction of Hydrogen (H?) and propene using a platinum catalyst is called
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hydrogenation.
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The reactants needed to produce the compound chlorocyclopentane are
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cyclopentene and HCl.
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Long-chain molecules that consist of many repeating units called
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polymers.
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The synthetic polymer polyethylene is unreactive because it is
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saturated.
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According to Markovnikov's rule, the hydrogen in HCl adds to the carbon in the double bond
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that has the greater number of hydrogen atoms attached.
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All of the carbon-carbon bonds in benzene are
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identical
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The hydrogenation of an alkene give a/an
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alkane
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How many isomers are there for C?H?Cl??
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2
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The IUPAC name of CH?CH = CHCH? is
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2-butene.
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Some alkenes have cis-trans isomers because
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the carbon atoms in the double bond cannot rotate.
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Organic compounds with double or triple bonds are classified as
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unsaturated compounds
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A compound that contains the ring structure of benzene is called a/an
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aromatic compound.
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Alkenes and alkynes are called unsaturated compounds because
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they have fewer hydrogen atoms attached to the carbon chain than alkanes.
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How many isomers are there for dibromobenzene?
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three
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What is the condensed structural formula of the compound propene?
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CH?CH = CH?
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What is the name of the compound below?
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2-chlorotoluene
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The reaction of cyclohexene and Cl? yields
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1,2-dichlorocyclohexane.
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Which of the following compounds is an alkyne?
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CH?CH?C ? CH
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The IUPAC name for CH?CH?C ? CCH? is
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2-pentyne.
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The reaction of an alkene and water in the presence of an acid catalyst to produce an alcohol is called
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hydration.
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Which of the following is a naturally occurring polymer (not a synthetic polymer)?
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DNA.
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