Optional: 2/6 Organic Chemistry Quiz

Which formula represents an alkane?

• C₂H₂

• C₂H₄

• C₃H₄

• C₃H₈

Which term represents the fixed proportion of elements in a compound?

• atomic mass

• molar mass

• chemical formula

• density formula

The only two elements in alkenes and alkynes are

• carbon and nitrogen

• carbon and hydrogen

• oxygen and nitrogen

• oxygen and hydrogen

What is the general formula for the homologous series that includes ethene?

• C_nH_2n

• C_nH_2n–6

• C_nH_2n–2

• C_nH_2n+2

Write the general formula for the homologous series to which propene belongs.

• C_nH_2n

• C_nH_2n–6

• C_nH_2n–2

• C_nH_2n+2

A molecule of which compound has a multiple covalent bond?

• CH₄

• C₂H₄

• C₃H₈

• C₄H₁₀

Which formula represents an unsaturated hydrocarbon?

• C₂H₄

• C₃H₈

• C₄H₁₀

• C₅H₁₂

Which formula represents a hydrocarbon?

• C₂H₆

• C₂H₅OH

• C₂H₅Cl

• C₂H₆O

Which formula represents a saturated organic compound?

• C₂H₂

• C₂H₄

• C₃H₄

• C₃H₈

Which formula represents an alkyne? (choose two)

• C₂H₂

• C₂H₄

• C₃H₄

• C₃H₈