Hydrocarbons

How many carbon atoms are in propane?

• 3

• 3

• 4

• 5

What type of hydrocarbon has only single bonds?

• Alkenes

• Alkynes

• Cycloalkanes

• Alkanes

What is the difference between alkanes and alkenes?

• Alkanes have only single bonds; alkenes have at least one double bond.

• Alkanes contain at least one double bond; alkenes have only single bonds.

• Alkanes are saturated hydrocarbons; alkenes are unsaturated hydrocarbons with triple bonds.

• Alkanes are more reactive than alkenes due to their structure.

What is the general formula for alkynes?

• CₙH₂ₙ₋₂

• CₙH₂ₙ₊₂

• CₙH₂ₙ

• CₙH₂ₙ₋₄

What is the name of the family of hydrocarbons with at least one double bond?

• Alkanes

• Alkenes

• Alkynes

• Cycloalkanes

Which of the following is a saturated hydrocarbon? C₃H₈ or C₃H₆?

• C₃H₈ (Propane)

• C₃H₆ (Propene)

• C₄H₁₀ (Butane)

• C₂H₄ (Ethylene)

Hydrocarbons are compounds that contain

• Oxygen and Nitrogen

• Carbon and Hydrogen

• Sulfur and Phosphorus

• Iron and Oxygen

Identify the hydrocarbon: C₅H₁₀.

• pentene

• butene

• hexane

• propene

What is the main characteristic of aromatic hydrocarbons?

• They contain one or more benzene rings.

• They are saturated hydrocarbons.

• They have a linear structure.

• They are always colorless liquids.

Name this alkane

• Methane

• Ethane

• Propane

• Butane