IRON (II) AND IRON (III) RON(II) Iron(II) undergoes complete reaction with 1,10-

Question

IRON (II) AND IRON (III) RON(II) Iron(II) undergoes complete reaction with 1,10-phenanthroline. Three bidentate 1,10-phenanthroline ligands become bonded to the iron(l) metal center. Write an equation to represent this process, starting from the hexaaqua complex, and using phen as an abbreviation for the ligand. What is the coordination number of Fe in the complex? How many d electrons are there in Fe2*? Name the complex. Sketch a 3D representation Are isomers possible? If so, what are they? What was the color of the complex? What does this suggest about the wavelength of light absorbed by the complex? IRON(III) The reaction with SCN forms: [Fe(H20)3(SCN)33(aq) Write a balanced equation for the reaction. How many d electrons are there in Fe3+? Indicate the coordination number of the iron atom. Name the complex. Do your best to sketch a 3D representation. Are isomers possible? If so, what are they? Reaction with hydroxide yields the insoluble hydroxide. Write a balanced equation for the process.

Explanation / Answer

iron (2)

5 electrons are there in fe2+ in d orbit

iron (3)

fe3+ +3SCN- +3H2O =[Fe(H20)3(SCN)3]

Fe3+ also has 5 electrons in it's d orbital

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