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A = [Ni(en)3]^(2+), B =[ Ni(NH3)6]^(2+),...

`A = [Ni(en)_3]^(2+)`, `B =[ Ni(NH_3)_6]^(2+)`, `C = [Ni(H_2O)_6]^(2+)`, CFSE energy order is.

A

`B gt A gt C`

B

`C gt A gt B`

C

`B gt C gt A`

D

`A gt B gt C`

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Statement-1: The correct order for the wave length of absorption in the visible region is : [Ni(NO_(2))_(6)]^(4-)lt[Ni(NH_(3))_(6)]^(2+)lt[Ni(H_(2)O)_(6)]^(2+) Statement-2: The stability of different complexes depends on the strength of the ligands field of the various ligands.

[Ni(CO)_4] and [Ni(NH_3)_4]^(2+) do not differ in:

NiCl_(2)+NH_(3)(excess)to [Ni(NH_(3))_(6)]^(2+)

What will be the correct order for the wavelengths of absorption in the visible region for the following: [Ni(NO_(2))_(6)]^(4-), [Ni(NH_(3))_(6)]^(2+), [Ni(H_(2)O)_(6)]^(2+) ?

Amongst [NiCl_(4)]^(2-), [Ni(H_(2)O)_(6)]^(2+), [Ni(PPh_(3))_(2)Cl_(2)], [Ni(CO)_(4)] and [Ni(CN)^(2-) the paramagnetic species are

Which of the following statement is not correct ? (a) [Ni(H_(2)O)_(6)]^(2+) and [Ni(NH_(3))_(6)]^(2+) have same value of CFSE ( b) [Ni(H_(2)O)_(6)]^(2+) and [Ni(NH_(3))_(6)]^(2+) have same value of magnetic moment

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