Identify a D-Aldopentose from Among the Following Compounds

Question

Identify a D-aldopentose from among the following compounds.
A) D-psicose
B) D-fructose
C) D-idose
D) D-arabinose

Accepted Answer

D-arabinose is the only aldopentose among the given options. The others are ketopentoses (D-psicose and D-fructose) or aldohexoses (D-idose).