Question: The naturally occurring sugar glucose (Chapter 24) exists in the two isomeric cyclic forms shown below. These are called Î± and Î², respectively, and they

The naturally occurring sugar glucose (Chapter 24) exists in the two isomeric cyclic forms shown below. These are called Î± and Î², respectively, and they are in equilibrium by means of chemical processes that are introduced in Chapter 17.

(a) Which of the two forms is more stable?
(b) At equilibrium the two forms are present in a ratio of approximately 64:36. Calculate the free energy difference that corresponds to this equilibrium ratio. How closely does the value you obtained correlate with the data in Table 4-3?

CH OH CH OH HO HO HO HO OH HO HO OH form of glucose form of glucose

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