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Grade: 12

                        

What Is Mutarotation? Give Example And Structure

9 years ago

Answers : (11)

Suneeta Sharma
24 Points
							

Mutarotation is the change in the optical rotation that occurs by epimerization (that is the change in the equilibrium between two epimers, when the corresponding stereocentersinterconverted).
Cyclic sugars show mutarotation as α and β anomeric forms are interconvert. The optical rotation of the solution depends on the optical rotation of each anomer and their ratio in the solution.
Glucoseab.png

9 years ago
faisal
13 Points
							The spontaneous change at specific rotation of solution of optical active compound called muta rotation
						
4 years ago
rahul kushwaha
114 Points
							Mutarotation has to do with how a molecule rotates the plane of light. For example, alpha glucose has theOH group at a different position than beta glucose. (See link for diagram). This angle can be measured using a Polarimeter.Mutarotation is the term given to the change in the specific rotation of plane polarized light, when it is passed through an aldohexose (monosaccharides with six carbon atoms and H-C=O group). Mutarotation refers to the conversion of a pure anomer of a hemiacetal carbohydrate to an equilibrium mixture of two anomers.As the name suggests, it is the change in rotation ("Muta" means"Change").Plane polarized light is obtained by passing ordinary light through a nicol prism.During mutarotation, either α or β forms keep changing into the chainstructure periodically to and fro.Mutarotation also refers to the interconversion between the α and β anomers. However it must be converted to the open chain structure first before it can change conformation to the α or β position.
						
4 years ago
Shahanur Islam
19 Points
							Muta rotation mean "the change in specific optical rotation representing the interconversion of Alpha and beta form of D-glucose to eqilibrium mixture"
						
4 years ago
kuppalla chaitanya
11 Points
							change in optical rotation because  of change in equilibrium between two anomers ,when the corresponding stereocenters interconvert
						
3 years ago
SEELA YUVARAJU
226 Points
							
Mutarotation is the change in the optical rotation that occurs by epimerization (that is the change in the equilibrium between two epimers, when the corresponding stereocentersinterconverted). Cyclic sugars show mutarotation as α and β anomeric forms are interconvert.
3 years ago
Ritwik
18 Points
							The spontaneous change in specific rotation of solution of an optically active compound with time, to an equilibrium value; is calle Mutarotation.
						
3 years ago
Ritwik
18 Points
							Mutarotation is the spontaneous change in specific rotation of solution of an optically active compound with time, to an equilibrium value.
						
3 years ago
Nilanjan Dey
34 Points
							
if the specific rotation of an optically active substance get changes on its dissolution in a solvent and finally becomes fixed
at a particular value, this is known as mutarotation.
3 years ago
K Joel
17 Points
							
Mutarotation is the result of spontaneous changes between alpha and beta configuration in open chair conformation
2 years ago
Kushagra Madhukar
askIITians Faculty
605 Points
							
Dear student,
Please find the answer to your question.
 
Mutarotation is the change in the optical rotation that occurs by epimerization (that is the change in the equilibrium between two epimers, when the corresponding stereocentersinterconverted).
Cyclic sugars show mutarotation as α and β anomeric forms are interconvert. The optical rotation of the solution depends on the optical rotation of each anomer and their ratio in the solution.
 
Thanks and regards,
Kushagra
2 months ago
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