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Coordination Compounds

Short Answer Type

51.

What is the coordination number and oxidation state of aluminium in the complex ion [Al(H₂O)₄(OH)₂]⁺?

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52.

Write all the isomers of |Pt(SCN) (NH₃)₃] (SCN).

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53.

Why inner octahedral complexes are called low spin complexes?

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54.

Why outer octahedral complexes are celled high spin complexes?

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55.

Name the ligands which are regarded as strong crystal fields and causes pairing of electrons.

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56.
What is the crystal fields Theory?

The Crystal Field Theory illustrates the effects on a metal d orbital energies of moving a set of negative point charges close to a metal ion. As one would expect, the energies of the d orbitals rise as the negative charges approach the metal ion, owing to the repulsions between the d orbital electrons and the surrounding charge.

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