(a) What are the oxidation states and d-electron counts of themetal(s) in the following complexes?(i) TiCl4(ii) NiBr2(PPH3)2(iii) Ru3(CO) 12(iv) K[Mn(CO)5](b) Cp Re (CO)3 reacts with hydrogen peroxide to give Cp*Re(0)3(Cp* = n5-C5Me5). Write a balanced equation for thistransformation and give the oxidation states and d-electroncounts for rhenium in both complexes. Comment on thenature of CO and oxide ligands within the Pearson hard-softacid-base theory.(c)The Cp* ligand can be considered to occupy either one orthree metal coordination sites. For Cp*Re(CO)3 draw crystalfield splitting diagrams for both of these possibilities.(d) Explain briefly the terms diamagnetic and paramagnetic.

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What are the oxidation states and d-electron counts of the metal(s) in the following complexes? (i) TiCl4 (ii) NiBr2(PPH3)2 (iii) Ru3(CO) 12

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Atomic Structure

The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.

Shape of the D Orbital

Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.

Question

(a) What are the oxidation states and d-electron counts of the
metal(s) in the following complexes?
(i) TiCl4
(ii) NiBr2(PPH3)2
(iii) Ru3(CO) 12
(iv) K[Mn(CO)5]
(b) Cp Re (CO)3 reacts with hydrogen peroxide to give Cp*Re(0)3
(Cp* = n5-C5Me5). Write a balanced equation for this
transformation and give the oxidation states and d-electron
counts for rhenium in both complexes. Comment on the
nature of CO and oxide ligands within the Pearson hard-soft
acid-base theory.
(c)
The Cp* ligand can be considered to occupy either one or
three metal coordination sites. For Cp*Re(CO)3 draw crystal
field splitting diagrams for both of these possibilities.
(d) Explain briefly the terms diamagnetic and paramagnetic.

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