Alkane Nomenclature

A saturated hydrocarbon has:

• one carbon-carbon double bond

• only carbon-carbon single bonds

• carbon, hydrogen. and oxygen atoms only

• at least one functional group

Name this structure.

• pentane

• triane

• propane

• butane

What is the molecular formula for heptane?

Name this alkane.

• 3-methylbutane

• 2-methylbutane

• 2-methylpropane

• isomethylbutane

Are these isomers?

• YES

• NO

Name this compound.

• 3,3-dimethylhexane

• 4,4-dimethylhexane

• 3,3-dimethylheptane

• 2-ethyl-2-methylpentane

Tags

NGSS.HS-PS1-1

The more branches (substituents) on the parent chain, the lower the boiling point of the hydrocarbon due to lower intermolecular forces of attraction.

• TRUE

• FALSE

Constitutional isomers have the same molecular formula.

• TRUE

• FALSE

The main source of hydrocarbons on Earth is:

• the rocks and minerals of the soil

• the vast amount of saltwater in the oceans

• decomposed marine plants and animals

• the atmosphere

What would be the structural formula for 3-ethyl-3-methylpentane?

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