β-D-Glucopyranose in the Chair Form Is the Most Widely Occurring

question 26

Multiple Choice

β-D-glucopyranose in the chair form is the most widely occurring form of glucose in nature and it has the following characteristics EXCEPT:

• A) forms a six-membered ring.
• B) carbon 6 is above the plane of the chair.
• C) all of the −OH groups are equatorial.
• D) the anomeric carbon has a hydroxyl that is below the plane of the chair.
• E) all axial positions are occupied by −H.

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