Determine whether the metal in the ionic compound FeI3 forms only one type of io

Question

Determine whether the metal in the ionic compound FeI3 forms only one type of ion or more than one type of ion and name the compound accordingly.

Determine whether the metal in the ionic compound PbCl4 forms only one type of ion or more than one type of ion and name the compound accordingly.

Determine whether the metal in the ionic compound SrI2 forms only one type of ion or more than one type of ion and name the compound accordingly.

Determine whether the metal in the ionic compound BaO forms only one type of ion or more than one type of ion and name the compound accordingly.

Explanation / Answer

a) FeI3

FeI3 --------------> Fe3+ + 3I-

Metal ion forms more than one type of ion namely Fe3+ , Fe2+

Name : Iron (III) iodide

b) PbCl4

PbCl4 --------------> PbCl2   + Cl2

PbCl2 -----------> Pb2+ + 2Cl-

Metal ion forms more than one type of ion namely Pb4+ , Pb2+

Name : Lead (IV) chloride

c) SrI2

Srl2 -----------> Sr2+ + 2l-

Metal ion forms only one type of ion.

Name : Strontium iodide

d) BaO

BaO --------------> Ba2+ + O2-

Metal ion forms only one type of ion.

Name: Barium oxide

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