2006-11-09 03:38:21 · 4 answers · asked by JOHN C 1 in Science & Mathematics ➔ Chemistry
Assuming that by "the s molecule" you mean the sucrose molecule....
Sucrose does not normally react with Benedicts solution as it is not a reducing sugar (it contains no aldehyde group). However, when sucrose reacts with acid, acid hydrolysis takes place and the product DOES react with Benedicts solution. So in the circumstances described above you'd expect to get a positive Benedict's test result, which results in the formation of a red-brown precipitate.
2006-11-09 05:57:19 · answer #1 · answered by drjaycat 5 · 0⤊ 0⤋
Sugars will purely react with Benedicts answer in the event that they are reducing sugars. To be a reducing sugar, the sugar has to have an aldehyde crew this is accessible to react with the copper interior the Benedicts answer. In sucrose, the two hassle-free sugars are sure at the same time in a fashion the prevents the reaction from occurring. once you react sucrose with acid, you're breaking the bond between the two monosaccharides, making glucose which does react top with Benedicts. All reported at yet another point, the two anomeric carbons of glucose and fructose are related in a glycosidic bond so as that neither anomeric carbon is accessible to react with the Benedicts. once you hydrolyze sucrose with acid, the two glucose and fructose (for strange motives...ask your organic and organic chemistry prof) would be waiting to lessen the copper ions of Benedicts answer to Cu2O.
2016-12-17 07:02:31 · answer #2 · answered by nurdin 3 · 0⤊ 0⤋
You know what..I was wondering that myself today at lunch....I said to Allie..I said you know what....that sweetner when you put it into coffee..I said...you know that sweetener...Yes...said Allie....Well I said I bet nothing happens to its S molecule when its in Coffee...but I wonder if I was to fancy a change..(everyone fancies a change from time to time!!)...I wonder what would happen if I put it into some Benedict solution...Oooh said Allie..Lets have a go..but tea break was over..sorry!!
2006-11-09 03:53:15 · answer #3 · answered by tee_hee_ssh 3 · 0⤊ 1⤋
You mean the one in the CuSO4?
Nothing. It stays in solution as sulphate ions.
2006-11-09 04:10:23 · answer #4 · answered by Anonymous · 0⤊ 0⤋