CHM 380 Laboratory Manual Name: Lab #4: Pre-Lab Assignment Complete in advance and turn in at the beginning of class. 1. For each of the following sugars, answer the questions by filling in the table. (You may use the textbook or any other source for help on this.) Carbohydrate Is it a Reducing Sugar (has a free anomeric carbon)? Monosaccharide or Disaccharide? Aldose or ketose sugar (or both)? Glucose Fructose Sucrose Lactose 2. Based on those results, and the information in the lab, indicate whether the carbohydrate would give a positive (with a +) or negative (with a result to given test, Carbohydrate Benedict’s Test Barfoed’s Test Seliwanoff’s Test Glucose Fructose Sucrose Lactose Copy these answers to the table on p. 39 for use in the lab