Ch. 12 Alkenes, Alkynes, and Aromatic Compounds

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