done my homework (:
ehh expect, history. (study)
hais.
haven eat.

general formula: CnH2n+2
methane
enthane
propane
butane
pentane
hexane

general formula: CnH2n
enthene
propene
butene

general formula: CnH2n+1OH
methanol
enthanol
propanol
butanol

general formula: CnH2n-1OOH
methanoic acid
enthanoic acid
propanoic acid
butanoic acid
pentanoic acid
hexanoic acid

am i correct? correct me if i'm wrong.((:
good luck for tml's test! (4B)