MOLECULAR POLARITYFIELD NOTE 48 / 175

Is D-Fructose (C6H12O6) polar or nonpolar?

D-Fructose (C6H12O6) is polar because several hydroxyl groups and a ring oxygen create noncanceling polar bonds.

THE ANSWERPolar.

D-Fructose · nonplanar oxygen-containing ring with tetrahedral C

FIGURE 01

The molecule in space

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STRUCTURE / 01
O ×6C ×6H ×12
HHHOHCHHHOCOOOCCCHCHOHHH
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01 / MODEL RECORDPubChem 3D coordinates. Atom sizes and bond thickness are illustrative.How model data is used ↗

THE REASONING

Why C6H12O6 is polar

The cited PubChem D-fructose conformer is a cyclic sugar with several O–H groups and an oxygen in the ring. Its oxygen-rich substituents are not arranged in a symmetry that cancels all bond dipoles.

A USEFUL DISTINCTION

What to notice

Fructose and glucose are constitutional isomers with formula C6H12O6. The model illustrates a particular cyclic form rather than the full equilibrium among sugar forms in solution.

QUICK REFERENCE

Common questions about D-Fructose (C6H12O6)

  1. 01
    What does the Lewis structure of D-Fructose (C6H12O6) show?

    The modeled cyclic D-fructose includes a ring oxygen, hydroxyl substituents, and a CH2OH group. Saturated carbons complete four bonds; each oxygen has two lone pairs.

  2. 02
    What is the molecular geometry of D-Fructose (C6H12O6)?

    D-Fructose (C6H12O6) has a nonplanar oxygen-containing ring with tetrahedral C molecular geometry. The 3D model shows representative bond angles of 113.9° and 107.9° and 108.1°. These angles come from the displayed model coordinates.

  3. 03
    What is the molar mass of D-Fructose (C6H12O6)?

    C6H12O6 has an approximate molar mass of 180.16 g/mol, calculated from its formula using abridged standard atomic weights. Natural isotope variation can change the last digits.

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