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the claim
EDTA molecular structure lacks double bonds
the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 3 against
Is it true that EDTA molecular structure lacks double bonds?
No. The claim that EDTA molecular structure lacks double bonds is incorrect. EDTA contains four carboxylate groups, each of which features a carbon-oxygen double bond.
Verdict: REFUTED · 0 sources for, 3 against · Last checked
The analysis
Judged against the evidence record for claims of this kind.
Evidence against · 3
Ethylenediaminetetraacetic acid (EDTA) contains multiple carboxylate groups, which possess carbon-oxygen double bonds (C=O) as referenced by the OCO stretching modes.
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Foreman, M. M., Alessio, M., Krylov, A., Mathias, J., Perlin, A. L., Oliveira, R., Lyon, R., Moorthi, K., & Maekawa, S. (2023). Influence of Transition Metal Electron Configuration on the Structure of Metal-EDTA Complexes.. peer-reviewed literature. https://doi.org/10.1021/acs.jpca.2c07996
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More against · 2
EDTA features carboxylate groups whose structures participate in second-sphere hydrogen bonding, which fundamentally rely on carbonyl double bonds.
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Chen, H. & Lin, Y. (2025). Cobalt(II)-Mediated Fenton-like Reactions: Effects of Second-Sphere H2O2 and Thiolate Coordination. peer-reviewed literature. https://doi.org/10.1021/acs.inorgchem.5c04687
Tuning interfacial proton transfer for directing oxygen reduction reaction toward hydrogen peroxide.
EDTA possesses carboxylate groups containing carbonyl double bonds that help regulate proton availability and chelation strength.
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Y, F., H, C., W, G., X, Z., H, W., H, J., & C, L. (2025). Tuning interfacial proton transfer for directing oxygen reduction reaction toward hydrogen peroxide.. peer-reviewed literature. https://doi.org/10.1093/nsr/nwaf390
What does the evidence say?
Judged against the evidence record for claims of this kind.
Receipt History
first checked05 Aug 2026
judged → REFUTED · 605 Aug 2026
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