From Wikipedia, the free encyclopedia
Polonium tetranitrate
Names
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Other names
Polonium tetranitrate
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Identifiers
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ChemSpider
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ECHA InfoCard
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100.060.234
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EC Number
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InChI=1S/4NO3.Po/c4*2-1(3)4;/q4*-1; Key: QQOAUYKHHFTXBZ-UHFFFAOYSA-N
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[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Po]
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Properties
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Po(NO3)4
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Molar mass
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457.00
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Appearance
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White crystalline solid
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Soluble
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Hazards
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GHS labelling:
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Warning
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Related compounds
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Related compounds
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Americium(III) nitrate
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Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Polonium tetranitrate is an
inorganic compound, a salt of
polonium and
nitric acid with the chemical formula Po(NO3)4.
[1] The compound is radioactive, forms white crystals.
[2]
[3]
Synthesis
Dissolution of metallic polonium in concentrated nitric acid:[
citation needed]
Physical properties
Polonium(IV) nitrate forms white
[4] or colorless crystals.
[5] It dissolves in water with
hydrolysis.
Chemical properties
It
disproportionates in aqueous weakly acidic nitric acid solutions:
The polonium(II) ion (Po2+) is then oxidized by nitric acid to polonium(IV).
References
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^ Bagnall, K. W.; Robertson, D. S.; Stewart, M. a. A. (1 January 1958). "726. The polonium nitrates".
Journal of the Chemical Society: 3633–3636.
doi:
10.1039/JR9580003633.
ISSN
0368-1769.
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^ Schmidt, M.; Siebert, W.; Bagnall, K. W. (22 October 2013).
The Chemistry of Sulphur, Selenium, Tellurium and Polonium: Pergamon Texts in Inorganic Chemistry.
Elsevier. p. 986.
ISBN
978-1-4831-5865-5. Retrieved 20 August 2021.
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^
Advances in Inorganic Chemistry and Radiochemistry.
Academic Press. 1 January 1962. p. 220.
ISBN
978-0-08-057853-8. Retrieved 20 August 2021.
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^ Schweitzer, George K.; Pesterfield, Lester L. (14 January 2010).
The Aqueous Chemistry of the Elements.
Oxford University Press. p. 243.
ISBN
978-0-19-974219-6. Retrieved 20 August 2021.
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^
Inorganic Chemistry. PHI Learning Pvt. Ltd. 2012. p. 494.
ISBN
978-81-203-4308-5. Retrieved 20 August 2021.
Salts and covalent derivatives of the
nitrate ion |
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