Why is Ketose dehydrated more rapidly than aldoses? what makes Ketose react faster than aldoses? Why Ketose give positive result in Seliwanoff's test faster than aldoses?

Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter2: Chemistry Of Life
Section: Chapter Questions
Problem 8RQ: An example of a monosaccharide is ________. a. fructose b. glucose c. galactose d. all of the above
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Seliwanoff's test is a chemical test that distinguishes between aldose and ketose sugars. If the sugar contains a ketone group, it is a ketose. If a sugar contains an aldehyde group, it is an aldose. This test relies on the principle that, when heated, ketoses are more rapidly dehydrated than aldoses.

Why is Ketose dehydrated more rapidly than aldoses? what makes Ketose react faster than aldoses? Why Ketose give positive result in Seliwanoff's test faster than aldoses?

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