Chemistry Final

What is the name of alkane having five carbons?

• propane

• methane

• Pentane

A structural isomer of hexane is

• 2,2-dimethylbutane

• benzene

• 2-methylpentene

Alkanes are hydrocarbons that contain what type of bonds?

• ionic bonds

• at least one double bond

• single covalent bonds only

How many carbons are in a molecule of hexane?

• 5

• 4

• 6

How many covalent bonds can each carbon atom form?

• 1

• 4

• 3

The names of the straight-chain single bonded carbon molecules all end with the suffix ___?

• -ane

• -ine

• -ene

The longest continuous carbon chain of a branched-chain hydrocarbon is called a(n) ____.

• isomer

• parent alkane

• principle alkane

The name of an alkyl group that contains two carbon atoms is ___.

• propyl

• diphenyl

• ethyl

Which of the following compounds is an unsaturated hydrocarbon?

• nonane

• methane

• propyne

In which of the following compounds does rotation occur around all covalent bonds between carbons?

• octane

• octyne

• octene