What Can Be Said,correctly,about a Monosaccharide,the Name of Which Is

question 77

Multiple Choice

What can be said,correctly,about a monosaccharide,the name of which is preceded only by (+) ?

• A) The compound is the α-anomer.
• B) The compound exists in the pyranose form.
• C) The compound is dextrorotatory.
• D) The compound has the same stereochemistry at the penultimate carbon as D-(+)-glucose.
• E) The compound exists only in open-chain form.

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Definitions:

Isopropyl

A hydrocarbon group or radical with the molecular formula C3H7, derived from propane by the removal of one hydrogen atom from the middle carbon.

Pent-2-ene

An unsaturated hydrocarbon with a double bond between the second and third carbon atoms in a five-carbon chain.

Oxetane

A four-membered cyclic ether characterized by an oxygen atom bonded to three carbon atoms.

Hybridization

The concept explaining the bonding in molecules by combining atomic orbitals into new hybrid orbitals suitable for pairing with other atoms.