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What will be the correct order for the w...

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+)` ?

A

`[Ni(H_2O_6)]^(2+)~~[Ni(NH_3)_6]^(2+)~~[Ni(NO_2)_6]^(4-)`

B

`[Ni(NH_3)_6]^(2+)~~[Ni(NO_2)_6]^(4-)~~[Ni(H_2O_6)]^(2+)`

C

`[Ni(H_2O_6)]^(2+)~~[Ni(NO_2)_6]^(4-)~~[Ni(NH_3)_6]^(2+)`

D

`[Ni(H_2O_6)]^(2+)~~[Ni(NH_3)_6]^(2+)~~[Ni(NO_2)_6]^(4-)`

Text Solution

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The correct Answer is:
D
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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.

The correct order for the wavelengths of absorption in the visible region for the following : underset((1))([Ni(NO_(2))_(6)]^(4-))," "underset((II))([Ni(NH_(3))_(6)]^(2+))," "underset((III))([Ni(H_(2)O)_(6)]^(2+))," "underset((IV))([NIF_(6)]^(4-))

The colour of the coordination compounds depends on the crystal field splitting. What will be the correct order of absorption of wavelength of light of the visible region, for the complexes, [Co(NH_(3)_(6)]^(3+). [Co(CN)_(6)]^(3+). [Co(H_(2)O)_(6)]^(3+)

The colour of the coordination compounds depends on the crystal field splitting . What will be the correct order of obsorption of wavelength of light in the visible region, for the comolexes, [Co(NH_(3))_(6)]^(3+) m and [Co(H_(2)O)_(6)^(3+) ?

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