I\'m not sure my conclusions are right either? 13. ying an Unknown Carbohydrate

Question

I'm not sure my conclusions are right either?

13. ying an Unknown Carbohydrate Solution. The following is a set of test data you night have collected in the lab. Indicate the specific information about the carbohydrate's identity implicit in each result test reagent Molisch 12/KI Barfoed's time: red ppt. within 3 min Seliwanoff's time: clear colorless after 2 min. Benedict's time: org-red spot in 1 minute Bial's time: observation conclusion deep purple ring orange solution dark blue in 1 minute Draw a Haworth structure in the box of any carbohydrate that is consistent with these conclusions: charide thet contains only D-glucose units but it fails to test as a

Explanation / Answer

1- Molisch test for carbohydrate

2- Indicates the presence or absence of starch

3-Detecting presence of monosaccharides

4-Seliwanoff's test distinguish between aldose and ketose

5-Identifies reducing sugars

6- Presence of pentoses

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