Thestereoisomersare possible for a2-ketohexoseis 4 (Option B).A 2-ketohexose is a 6-carbonsugarwith a ketone functional group at position 2. In this case, there are 4chiralcenters (carbon atoms 3, 4, 5, and 6), which can each have either an R or S configuration.The total number of stereoisomers is therefore 2⁴ = 16, but half of these areenantiomers(mirror images) of each other, leaving only 8 possible stereoisomers. However, since the molecule also has a plane ofsymmetry, the actual number of stereoisomers is further reduced to 4.Learn more aboutstereoisomers:brainly.com/question/31147524#SPJ11...

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