Chem. Ch. 11 5.2 attempt 1- D.C. – Flashcards
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What is the condensed structural formula of the compound propene?
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CH3CH CH2
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* Which of the following compounds is an alkyne?
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CH3CH2CCH
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Propylene is used to induce ripening in fruits.
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False
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The compound below is named hexagon w/ circle inside
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benzene
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The compound is cis-3-hexene.
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True
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* Small molecules that make up the repeat unit in polymers are called
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monomers
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When hydrogen is added to 1-pentene in the presence of a platinum catalyst, the product is 1-pentyne.
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False
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Which of the compounds is aromatic?
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hexagon w/ circle inside
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Which one of the following compounds has the smallest number of hydrogen atoms?
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butyne
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All alkenes show cis-trans isomerism.
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False
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Insects communicate with chemicals called
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pheromones
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The hydrogenation of an alkene gives a(n)
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alkane
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An unsaturated compound always
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contains at least one double or triple bond.
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All alkenes show cis-trans isomerism.
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False
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* The synthetic polymer polyethylene is unreactive because it is
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saturated
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* Fragrances and flavors are often compounds with more than one functional group (for example, an alkene that also contains an aldehyde).
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True
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In a cis alkene, the groups are on the same side of the double bond.
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True
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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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* Which of the following would result from the polymerization of ethene?
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- CH2 - CH2 - CH2 - CH2 -
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Which of the following compounds is an alkene?
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H2C = CH - CH3
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One essential building block of aspirin, ibuprofen, and acetaminophen is the benzene ring.
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True
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* The IUPAC name for CH3-CH2-C-= C-CH3 is
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2-pentyne.
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* Organic compounds with double or triple bonds are classified as
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unsaturated compounds
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All of the carbon-carbon bonds in benzene are
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identical
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The odors you associate with lemons, oranges, roses, and lavender are due to
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alkenes
