Short Answer Type

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


Coordination number of aluminium is = 6.


Oxidation state of aluminium is =3

Al=x 
H2O=0
OH- =-1

Thus oxidation state is 

x+0+(-2) =1
x= 2+1
x= 3.
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Name the ligands which are regarded as strong crystal fields and causes pairing of electrons.

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

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Why outer octahedral complexes are celled high spin complexes?

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How the coordinate entities show colour?

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What are the consequence of crystal fields?

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Why inner octahedral complexes are called low spin complexes?

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

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

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What is the crystal fields Theory?

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