Rank the Following Compounds in Order of Decreasing Acidity, Putting

question 27

Multiple Choice

Rank the following compounds in order of decreasing acidity, putting the most acidic first.

• A)I > II > III
• B)III > II > I
• C)II > III > I
• D)III > I > II

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Definitions:

Ring Oxygen

An oxygen atom that is incorporated into a cyclic structure, often contributing to the ring's chemical properties.

Haworth Structure

A way of representing cyclic sugars as planar rings, focusing on the arrangement of hydroxyl groups around the ring, used in carbohydrate chemistry.

β-D-Glucopyranose

A chemical structure of glucose in its cyclic form, where the glucose molecule forms a six-membered ring, with the hydroxyl group on the first carbon in the beta configuration.

α-D-Ribofuranose

A sugar derivative where the pentose sugar ribose is in its furanose form (a five-membered oxygen-containing ring) and has a specific orientation (alpha) of the hydroxyl group attached to the anomeric carbon.