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Pure alpha-D-glucose has a specific rotation of which value before mutarotation starts?
A+17.5 degrees
B+52.7 degrees
C+112.2 degrees
D-112.2 degrees
Answer & Solution
Correct answer: C. +112.2 degrees
The alpha anomer is strongly dextrorotatory at +112.2, falling towards +52.7 at equilibrium.
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