Question

General formula of the homologous series of alkanes is C_nH_2n+2. Write down the molecular formula of the 8^th and 12^th member using this.

Answer 1

General formula of alkanes is C_nH_2n+2.

n = 8 C₈ H_2×8+2 = C₆H₁₈ Octane

n = 12 C₁₂ H_2×12+2 = C₁₂H₂₆ Dodecane