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(A) The energy of absorption is directly proportional to the crystal field splitting energy $(\Delta_o)$.According to the spectrochemical series,the f

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$C < B < A$

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(A) The energy of absorption is directly proportional to the crystal field splitting energy $(\Delta_o)$.According to the spectrochemical series,the field strength of the ligands is $H_2O Since the metal ion $(Ni^{2+})$ is the same in all complexes,the splitting energy depends on the ligand strength.Therefore,the order of splitting energy (and thus energy of absorption) is $[Ni(H_2O)_6]^{2+} < [Ni(NH_3)_6]^{2+} < [Ni(en)_3]^{2+}$,which corresponds to $C < B < A$.

List-$I$ (Coordination entity)	List-$II$ (Wavelength of light absorbed in $nm$)
$A$. $[CoCl(NH_3)_5]^{2+}$	$I$. $310$
$B$. $[Co(NH_3)_6]^{3+}$	$II$. $475$
$C$. $[Co(CN)_6]^{3-}$	$III$. $535$
$D$. $[Cu(H_2O)_4]^{2+}$	$IV$. $600$

The correct order of energy of absorption for the following metal complexes is
$A: [Ni(en)_3]^{2+}, B: [Ni(NH_3)_6]^{2+}, C: [Ni(H_2O)_6]^{2+}$

Similar Questions

Arrange the following in increasing order of their crystal field splitting energy:
$I. [Co(H_2O)_6]^{3+}$
$II. [Co(NH_3)_6]^{3+}$
$III. [Co(CN)_6]^{3-}$
$IV. [CoF_6]^{3-}$

Which of the following order of $CFSE$ is incorrect?

Write a note on crystal field theory.

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?

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The correct order of energy of absorption for the following metal complexes is$A: [Ni(en)_3]^{2+}, B: [Ni(NH_3)_6]^{2+}, C: [Ni(H_2O)_6]^{2+}$