Assertion: aldohexose's group | /r/AtLocation | carbon atoms c2
Facets:
Source sentences:
text: When the structure of d-glucose is written in a vertical straight-chain fashion (termed an acyclic or open-chain structure) with the aldehydic group (position 1 [C1]) at the top and the carbon atom with the primary hydroxyl group attached to it at the bottom (at position 6 [that is, on C6]), it can be seen that all secondary hydroxyl groups are on carbon atoms C2, C3, C4, and C5.