Ch 12 & 13 Recap

Which name represents a valid IUPAC name for an alkane?

• 1,4-diethylheptane

• 4,4-diethyl-2,3,4-trimethylpentane

• 4,4-diethyl-2,3,4-trimethylcycloheptane

• 4,4-diethyl-2,3-dimethylheptane

• More than one of the names is a valid IUPAC name for an alkane

What is the classification of each labeled carbon atom in this structure?

• C1 is a 1°, C2 is 2°, and C3 is a 3°

• C1 is a 2°, C2 is 1°, and C3 is a 3°

• C1 is a 3°, C2 is 2°, and C3 is a 1°

• C1 is a 3°, C2 is 1°, and C3 is a 2°

Which alkane has the lowest boiling point?

• Octane

• Butane

• Hexane

• Ethane

• Propane

What is the structure of 1-ethyl-2-methylcyclohexane?

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What is the IUPAC name of this compound?

• 3-ethyl-5-methyldecane

• 3-ethyl-2-pentylhexane

• 3-ethyl-5-pentylhexane

• 8-ethyl-6-methyldecane

Tags

NGSS.HS-PS1-1

Which is the molecular formula of an alkyne?

• C₁₀H₁₈

• C₉H₁₈

• C₈H₁₈

• C₁₀H₂₀

What is the IUPAC name of this compound?

• cis-3-pentene

• cis-2-pentene

• Ethylpropene

• 1-methyl-2-ethylpentene

• Trans-3-pentene

What is the IUPAC name of this compound?

• Methylbenzene

• 2-methyl-1,3-cyclohexadiene

• 3-methyl-1.3-cyclohexadiene

• 1-methyl-1,2-cyclohexadiene

• Toluene

The compounds 1-pentene and cis-2-pentene are an example of a pair of ________.

• isotopes

• stereoisomers

• constitutional isomers

• identical molecules

Which name is a valid IUPAC name of an unsaturated hydrocarbon?

• 2,3-dimethyl-3-hexyne

• Trans-1-hexene
  

• Trans-3-pentyne

• 5-butylcyclohexene

• 2-methyl-2-butene