Praseodymium(IV) oxide
Praseodymium(IV) oxide is an inorganic compound with chemical formula PrO2.
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| IUPAC name
Praseodymium(IV) oxide | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.031.658 |
| EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| PrO2 | |
| Molar mass | 172.91 |
| Appearance | Dark brownish crystal[1] |
| Related compounds | |
Related compounds |
Praseodymium(III) oxide Praseodymium(III,IV) oxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Production
Praseodymium(IV) oxide can be produced by boiling Pr6O11 in water or acetic acid:[1]
- Pr6O11 + 3 H2O → 4 PrO2 + 2 Pr(OH)3
Chemical reactions
Praseodymium(IV) oxide starts to decompose at 320~360 °C, liberating oxygen.
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References
- Chinese: 《无机化学丛书》.第七卷 钪 稀土元素. 科学出版社. 1.3.4 氧化态+4的化合物. P193~195
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