Explain fehling''s test, Science

Assignment Help:

In Fehling's Test

The free sugar group (aldehyde or ketone) reduces the Cu  (cupric) ions in  an alkaline environment  to form Cu10 (cuprous oxide) and the sugar is itself oxidized to a carboxylic acid (mixture  of sugar  acids). The  Cu20 is  red  and  precipitates. Carbohydrates that react  in  basic solution with  oxidizing agents are classified as reducing sugars. In basic solution, all monosaccharides whether aldoses or ketoses, are reducing sugars. Simple sugars can act as reducing agents because the aldehyde or ketone group is readily oxidized  to carboxylic  acid.

 


Related Discussions:- Explain fehling''s test

Procedure of a carbon dioxide fire extinguisher, Procedure : A mock fire m...

Procedure : A mock fire may be created by spilling a flammable liquid like alcohol, petrol etc. and lighting it at a safe place away from the equipments and working benches. Th

Explain glycogen, Explain Glycogen Glycogen is the storage polysaccha...

Explain Glycogen Glycogen is the storage polysaccharide found in the muscle and liver of animals and humans. It is a branched polymer having about 8  to 10 glucose units in e

Describe the procedure for import of cosmetics in us and uk, Question 1 De...

Question 1 Describe all the five scenarios as recommended by Mashelkar's task force for biopharmaceuticals Question 2 Write in detail about scientific review required in US f

Periodic table, why does the periodic table useful to scientist

why does the periodic table useful to scientist

Explain the igneous rocks form, Explain the Igneous rocks form? Igneous...

Explain the Igneous rocks form? Igneous rocks form from the crystallization of magma. There are two main kinds of igneous rocks: intrusive and extrusive Molten rock within t

Homogenious, what does homogenious mean?

what does homogenious mean?

Discuss the elements of cohort study, Question 1 Discuss the elements o...

Question 1 Discuss the elements of cohort study 2 Explain the steps in a Research process 3 What is probability sampling? What are the different types of probability sampling?

A glacier that has neither advanced nor retreated, A glacier that has neith...

A glacier that has neither advanced nor retreated for many years deposits:- end moraine

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd