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A New Hypothesis Regarding the Surface Acidity of Binary Metal Oxides

Tanabe, Kozo, Sumiyoshi, Takashi, Shibata, Katsue, Kiyoura, Tadamitsu, Kitagawa, Jun·1974·Bulletin of the Chemical Society of Japan

Abstract

We have proposed a new hypothesis that the acid sites on binary metal oxides are formed by an excess of a negative or positive charge in the mixed oxides and that whether the charge is excess or not, and whether it is positive or negative, are determined by the coordination numbers and valences of the positive and negative elements in the model structures pictured according to two postulates. The validity of the hypothesis is, in fact, 90% for the 31 kinds of binary oxides tested, much higher than the validity (48%) of Thomas’ hypothesis. The hypothesis explains well the mechanism of the acidity generation of binary oxides and predicts whether the acid sites will be of the Brönsted or the Lewis type.

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Metadata

Authors
Tanabe, K., Sumiyoshi, T., Shibata, K., Kiyoura, T., & Kitagawa, J.
Venue
Bulletin of the Chemical Society of Japan
Published
1974-05-01
Volume
47
Issue
5
Pages
1064-1066
ISSN
  • 0009-2673 (ISSN-L)
  • 1348-0634
OpenAlex
W2084554577
Cited by
464
References
0
FWCI
2.65
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A New Hypothesis Regarding the Surface Acidity of Binary Metal Oxides. https://app.cochat.ai/papers/10.1246/bcsj.47.1064
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Tanabe, K., Sumiyoshi, T., Shibata, K., Kiyoura, T., & Kitagawa, J. (1974). A New Hypothesis Regarding the Surface Acidity of Binary Metal Oxides. Bulletin of the Chemical Society of Japan. https://doi.org/10.1246/bcsj.47.1064

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