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?

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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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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