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Indication of a negative result with Bial's Reagent?

Anonymous

∙ 15y ago

Updated: 5/29/2024

A negative result with Bial's reagent will show no color change, indicating the absence of pentoses in the test sample. This can be confirmed by the lack of a green color formation, which is characteristic of a positive result when pentoses are present.

AnswerBot

∙ 1y ago

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List of carbohydrates that is positive to Molisch Benedicts Barfoeds Seliwanoffs Bials and Fermentation tests?

Glucose, fructose, maltose, sucrose, lactose, and starch are carbohydrates that would likely test positive in Molisch, Benedict's, Barfoed's, Seliwanoff's, Bial's, and fermentation tests. These carbohydrates are commonly used in biochemical testing due to their distinct reactivity with the specific reagents in each test.

Related Questions

What does bials orcinol determine in nucleic acid?

Bial's test is used to determine the presence of a pentose sugar. For example, the sugar ribose would turn green (positive) and the sugar glucose would turn brown or yellow (negative). Nucleic acids (DNA and RNA) both contain a suger. RNA contains ribose, so it should have a positive orcinol test. DNA contains deoxyribose, which should have a weak reaction, yielding what appears to be a negative result.

What is the discussion of bials test?

discussion abut bial test ??

List of carbohydrates that is positive to Molisch Benedicts Barfoeds Seliwanoffs Bials and Fermentation tests?

Glucose, fructose, maltose, sucrose, lactose, and starch are carbohydrates that would likely test positive in Molisch, Benedict's, Barfoed's, Seliwanoff's, Bial's, and fermentation tests. These carbohydrates are commonly used in biochemical testing due to their distinct reactivity with the specific reagents in each test.

What is the Chemical equation of bials test?

Dehydration of monosaccharide to form furfural http://www.harpercollege.edu/tm-ps/chm/100/dgodambe/thedisk/carbo/bial/bials.htm Formation of furfural/orcinol complex http://61.19.145.8/student/m5year2006-2/502/group08/rooms5.html

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