What Is the Relationship Between D-Erythrose and D-Threose

question 10

Multiple Choice

What is the relationship between D-erythrose and D-threose?

• A) they are constitutional isomers
• B) they are enantiomers
• C) they are diastereomers
• D) they are tautomers

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Definitions:

GEO

Stands for Geostationary Earth Orbit, a type of orbit 35,786 kilometers above the Earth's equator and following the direction of the Earth's rotation.

LEO

Low Earth Orbit, a region of space around the Earth at altitudes between 160 to 2,000 kilometers, often used for satellites that require close communication with Earth.

MEO

Medium Earth Orbit, a region of space around the Earth above low Earth orbit (LEO) and below geostationary orbit (GEO), often used for satellites.

VEO

Vehicle Explosive Ordnance; often referring to explosive devices that are used or intended to be used in vehicles for malicious purposes. (If definition incorrect due to different VEO context, consider as "NO.")