What is the ionic compound with the formula Pr2(SeO4)3?

2 Answers
Oct 2, 2014

This is praseodymium salt of selenic acid.

You can look structrure here .

Oct 29, 2014

The formula #"Pr"_2"(SeO"_4)""_3"# is an ionic compound composed of the praseodymium cation #"Pr"^(3+)#, and the selenate anion #"H"_2"SeO"_4""^(2-)#. Ionic compounds are named according the ions that are present so that the name of the cation goes first, followed by the name of the anion.

The name of #"Pr"_2"(SeO"_4)""_3"# is praseodymium selenate.
(Source):
http://praseodymium.atomistry.com/praseodymium_selenate.html

Its IUPAC* name is praseodymium(3+);triselenate.

*IUPAC is the International Union of Pure and Applied Chemistry.

An alternate chemical formula is #"O"_12"Pr"_2"Se"_3#.
(Source:)
http://www.chemicalbook.com/ProductChemicalPropertiesCB6840026_EN.htm

2D structural formula is:

http://pubchem.ncbi.nlm.nih.gov//compound/15801702?from=summary#section=2D-Structure