PHYSICAL PROPERTIES

• WHAT TYPE OF INTERMOLECULAR FORCES CAN CARBOXYLIC ACIDS FORM?

  hydrogen bonds
• WHAT CAN CARBOXYLIC ACIDS FORM HYDROGEN BONDS WITH?

  water and other carboxylic acids (in solid state)
• WHAT DOES CARBOXYLIC ACIDS' ABILITY TO FORM HYDROGEN BONDS WITH WATER MEAN?

  methanoic/ ethanoic/ propanoic/ butanoic acid are all completely soluble in water
• WHAT DOES THE ABILITY OF CARBOXYLIC ACIDS TO FORM HYDROGEN BONDS WITH ONE ANOTHER MEAN?

  higher melting points than alkanes of similar relative molecular mass
• HOW CAN CARBOXYLIC ACIDS BE IDENTIFIED?

  using a Thiele tube to measure their melting points and compare to known melting points
• WHAT DO ALL CARBOXYLIC ACIDS HAVE?

  characteristic smells
• WHAT DOES ETHANOIC ACID SMELL LIKE?

  vinegar
• WHAT DOES BUTANOIC ACID SMELL LIKE?

  rancid butter
• WHAT IS THE NON-SYSTEMATIC NAME FOR HEXANOIC ACID?

  caproic acid
• WHAT IS THE NON-SYSTEMATIC NAME FOR OCTANOIC ACID?

  caprylic acid
• WHERE ARE HEXANOIC AND OCTANOIC ACID FOUND?

  goat fat (give bad smell)