Biochem Lab Activity 2: Qualitative Analysis for Carbohydrates

  1. are also known as saccharides
    carbohydrates
  2. carbohydrates include a large group of __________ or ____________ and their derivative
    polyhydroxyaldehydes, polyhydroxyketones
  3. when a monosaccharide is treated with strong mineral acid, what occurs
    dehydration
  4. the dehydrated product is _________ if it is a pentose
    furfural
  5. the dehydrated product is _________ if it is a hexose
    hydroxymethylfurfural
  6. uses a-naphtol is the most general test for Carbohydrates
    Molisch Test
  7. color of furfural and hydroxymethylfurfural derivatives if carbohydrates are present
    purple
  8. test that is useful in differentiating hexose and ketose
    Orcinol / Bial's Test
  9. Orcinol condenses with furfural from pentoses to form
    blue-green compound
  10. Orcinol react with hydroxymethylfurfural from hexose to form
    yellow-brown product
  11. uses resorcinol to distinguish aldohexoses and ketohexoses
    Seliwanoff's Test
  12. Ketoses dehydrate more rapidly and form _________ complex
    cherry red
  13. Aldohexoses give what color as they take longer time to develop
    light pink
  14. is one which has a free hydroxyl group at the anomeric C
    reducing sugar
  15. test that distinguishes between reducing monosaccharide and reducing disaccharide by a difference in rate of reaction
    Barfoed's Test
Author
kylle
ID
359990
Card Set
Biochem Lab Activity 2: Qualitative Analysis for Carbohydrates
Description
Updated