What is the general name of the organic compounds containing the- group.

31 Write the names and formulae for the first three members of the homologues series of chlorolkanes. 31 How would you name the following compound?

CH₃-CH₂-BR

32 Which of the following compounds contains a carboxylic acid group?

CH₃OH, CH₃COOH, CH₃CHO, CH₃COCH₃

32 How would you name the compound?

HCOOH