The rapid interconversion of alpha-D-glucose | vedclass

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Question

(D) The phenomenon of the change in specific optical rotation of an optically active compound in solution with time,to reach an equilibrium value,is c

Vedclass · Accepted Answer

mutarotation

Vedclass · Answer

(D) The phenomenon of the change in specific optical rotation of an optically active compound in solution with time,to reach an equilibrium value,is called mutarotation. For glucose,the specific rotation of $\alpha-D$-glucose is $+112^{\circ}$ and that of $\beta-D$-glucose is $+19^{\circ}$. When either form is dissolved in water,they interconvert until an equilibrium mixture with a specific rotation of $+52.7^{\circ}$ is obtained. Therefore,the correct answer is $(d)$ mutarotation.

The rapid interconversion of $\alpha-D$-glucose and $\beta-D$-glucose in solution is known as:

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