1) C₃H₈ + Br₂ = C₃H₇Br + HBr 2) CH₃ -CH(CH₃)-CH₂-CH₃ + Cl₂ = CH₃ -CCl(CH₃)-CH₂-CH₃ + HCl 3) CH₃ -CH(CH₃)-CH₂-CH₂-CH₂-CH₃ + Cl₂ = CH₃ -CCl(CH₃)-CH₂-CH₂-CH₂-CH₃ + HCl 4) 2C₂H₆ + 7O₂ = 4CO₂ + 6H₂O 5) C₅H₁₂ + HNO₃ = C₅H₁₁NO₂ + H₂O