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the claim

Substituting deuterium for protium in acids creates a kinetic isotope effect.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that substituting deuterium for protium in acids creates a kinetic isotope effect?

Yes. Substituting deuterium for protium in chemical systems, including acids, reliably produces a kinetic isotope effect due to the difference in mass and zero-point vibrational energy between the two hydrogen isotopes.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

The analysis

The claim addresses a fundamental chemical principle: isotopic substitution (such as replacing protium with deuterium) alters reaction rates, known as the kinetic isotope effect (KIE). Multiple retrieved papers directly investigate, calculate, or utilize deuterium KIEs in proton transfer and related reactions, supporting the validity of the claim.

Evidence for · 3
Isotope-dependent Tafel analysis probes proton transfer kinetics during electrocatalytic water splitting
2025
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Huang, J., Wang, R., Sheng, H., Zhu, X., Ross, R. D., Hua, D., Lin, L., Li, Y., Zhang, Q., Gu, L., Wang, X., Xu, P., Lu, J., Jiang, S., Han, J., Song, B., & Jin, S. (2025). Isotope-dependent Tafel analysis probes proton transfer kinetics during electrocatalytic water splitting. doi.org. https://doi.org/10.1038/s41557-025-01934-5

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More for · 2
Deuterium Kinetic Isotope Effect in the Photocatalyzed Dissociation of Methanol on TiO2(110)
2018
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Wang, T., Hao, Q., Wang, Z., Mao, X., Ma, Z., Ren, Z., Dai, D., Zhou, C., & Yang, X. (2018). Deuterium Kinetic Isotope Effect in the Photocatalyzed Dissociation of Methanol on TiO2(110). doi.org. https://doi.org/10.1021/ACS.JPCC.8B09077

Path Integral-Free Energy Perturbation (PI-FEP) Simulations: Kinetic Isotope Effects of Proton/Deuteron Transfer Reactions in Aqueous Solution.
2025
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J, G., GS, H., A, S., E, C., K, C., MZ, F., D, F., I, H., S, K., C, T., & MD, Z. (2025). Path Integral-Free Energy Perturbation (PI-FEP) Simulations: Kinetic Isotope Effects of Proton/Deuteron Transfer Reactions in Aqueous Solution.. doi.org. https://doi.org/10.1002/wcms.70053

What does the evidence say?

The claim addresses a fundamental chemical principle: isotopic substitution (such as replacing protium with deuterium) alters reaction rates, known as the kinetic isotope effect (KIE). Multiple retrieved papers directly investigate, calculate, or utilize deuterium KIEs in proton transfer and related reactions, supporting the validity of the claim.

Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8604 Aug 2026
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