Alkanes & alkenes - basics

Name this molecule.

• ethane

• methane

• monane

• carbon hydride

Name this molecule

• fourane

• quatrane

• butane

• methane

Which molecule is propane

• 
• 
• 
• C₄H₁₀

Which two words describe ethane ?

• Un-saturated

  Carbohydrate

• Saturated

  Carbohydrate

• Un-saturated

  Hydrocarbon

• Saturated

  Hydrocarbon

What is the molecular formula of pentane ?

• CH₅

• C₄H₁₀

• C₅H₁₀

• C₅H₁₂

What word or phrase describes an unsaturated hydrocarbon ?

• Alkane

• Alkene

• Homologous series

• Organic

  molecules

What does the phrase "homologous series" mean

• A family of molecules with similar chemical properties

• A family of molecules with the same molecular formula

• a family of molecules with the same structural formula

• A family of molecules with different numbers of carbon atoms.

Which molecule is an alkene.

• C₃H₈

• C₄H₈

• C₆H₆

• C₄H₁₀

Name this molecule

• propene

• dipropene

• hexene

• hexane

What is the general formula for alkanes ?

• C_nH_2n

• C_2nH_n

• C_nH_2n-2

• C_nH_2n+2