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 Multiple Choice QuestionsShort 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?

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57.

What are the consequence of crystal fields?


A consequence of Crystal Field Theory is that the distribution of electrons in the d orbitals can lead to stabilisation for some electron. Due to these crystal field the d–orbitals split up into two parts t2g and eg.
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58.

How the coordinate entities show colour?

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59.

The colour of the coordination entity is decided on which factor?

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60.

What is the oxidation state of gold in [Au(CN)2]?

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