Organic Chemistry Quiz

Which organic compound is a saturated hydrocarbon?

• ethane

• ethanol

• ethyne

• ethene

Which compound is a saturated hydrocarbon?

• hexane

• hexanal

• hexanol

• hexene

In saturated hydrocarbons, carbon atoms are bonded to each other by

• alternating double and triple covalent bonds

• alternating single and double covalent bonds

• single covalent bonds, only

• double covalent bonds, only

Which compound is classified as a hydrocarbon?

• chloroethane

• ethanoic acid

• ethanol

• ethane

Which formula represents a molecule of a saturated hydrocarbon?

• C2H2

• C4H10

• C6H6

• C5H8

What is the general formula for the members of the alkane series?

• CnH2n

• CnH2n+2

• CnH2n–2

• CnH2n–6

In which group could the hydrocarbons all belong to the same alkene series?

• C2H4, C3H6, C4H8

• C2H2, C2H4, C2H6

• C2H4, C2H6, C3H6

• C2H2, C2H4, C4H8

Natural gas is mostly comprised of

• methane

• butane

• propane

• ethane

Molecules of 2-methyl-propane and n-butane differ in their

• number of covalent bonds

• molecular formulas

• structural formulas

• number of carbon atoms

Which formula represents butane?

• CH3CH2CH3

• CH3CH2CH2CH3

• CH3CH3

• CH3CH2CH2CH2CH3