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Chemical compound
Rhodium(IV) oxide (or rhodium dioxide) is the chemical compound with the formula RhO2.
Chemical properties
RhO2 is highly insoluble even in hot aqua regia.[1]
Structure
RhO2 has the tetragonal rutile structure.[2]
Physical properties
RhO2 has metallic resistivity with values <10−4 Ohm·cm. It transforms in air to Rh2O3 at 850 °C and then to metal and oxygen at 1050 °C.[2]
See also
References
- ^ O. Muller and R. Roy (1968). "Formation and stability of the platinum and rhodium oxides at high oxygen pressures and the structures of Pt3O4, β-PtO2 and RhO2". Journal of the Less Common Metals. 16 (2): 129–146. doi:10.1016/0022-5088(68)90070-2.
- ^ a b R. D. Shannon (1968). "Synthesis and properties of two new members of the rutile family RhO2 and PtO2". Solid State Communications. 6 (3): 139–143. Bibcode:1968SSCom...6..139S. doi:10.1016/0038-1098(68)90019-7.
Rh(0) |
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Rh(I) |
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Rh(II) |
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Rh(III) |
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Rh(IV) | |||
Rh(V) | |||
Rh(VI) |
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