Coordination CompoundHard
Question
What will be the correct order for the wave length of light observed for the following ?
(I) [Ni(NO2)6]4- , (II) [ Ni (NH3)6]2+ ; (III) [Ni (H2O)6]2+
(I) [Ni(NO2)6]4- , (II) [ Ni (NH3)6]2+ ; (III) [Ni (H2O)6]2+
Options
A.I > II > III
B.II > I > III
C.III > II > I
D.II > III > I
Solution
Order of the strength of ligands magnitude wise in spectrochemical series :
H2O < NH3 < NO2-
Hence the wave length of the light observed will be in the order
[Ni (H2O)6]2+ < [Ni (NH3)6]2+ < [ Ni (NO2)6]4-
H2O < NH3 < NO2-
Hence the wave length of the light observed will be in the order
[Ni (H2O)6]2+ < [Ni (NH3)6]2+ < [ Ni (NO2)6]4-
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