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Write the chemical equation for the reaction of Fe(II) ion (Fe2 ) with phenanthroline. (Use the abbreviation phen for the phenanthroline.) Indicate the color of each reactant and the product. What is the molar ratio of Fe(II) ion (Fe2 ) to the Fe(II)-phenanthroline complex ion?

Respuesta :

Answer:

[Fe(phen)3]2+    Reactants  Fe+2 clear phen white solid   product orange red

mol ratios 1;1 OF fE

Explanation:

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Iron forms a complex with phenanthroline called Fe(II)-phenanthroline which has a reddish orange color in solution.

Complex formation is the key property of transition elements. This ability to form complexes stems from their incompletely filled d orbitals which can accept lone pairs of electrons from ligands such as phenanthroline.

Fe(II) ion reacts with phenanthroline as follows;

Fe^2+(aq) + 3Phen(l) ---------> [Fe(Phen)3]^2+

Iron II ion is green in color, phenanthroline is a colorless liquid while the complex ion is reddish orange color.

The molar ratio of  Fe(II) ion (Fe2 ) to the Fe(II)-phenanthroline complex ion is 1:1.

Learn more: https://brainly.com/question/6332857

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