Which among the following complexes is associ | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) The energy of absorbed light is inversely proportional to the wavelength $(E = \frac{hc}{\lambda})$.Therefore,the complex that absorbs light of ma

Vedclass · Accepted Answer

$[Cu(H_2O)_4]^{2+}$

Vedclass · Answer

(C) The energy of absorbed light is inversely proportional to the wavelength $(E = \frac{hc}{\lambda})$.Therefore,the complex that absorbs light of maximum wavelength must have the minimum crystal field splitting energy $(\Delta_o)$.According to the spectrochemical series,the strength of ligands is $Cl^- Stronger ligands cause larger splitting $(\Delta_o)$.Comparing the complexes:$1$. $[Co(CN)_6]^{3-}$ has strong $CN^-$ ligands,leading to high $\Delta_o$.$2$. $[Co(NH_3)_6]^{3+}$ has $NH_3$ ligands,leading to moderate $\Delta_o$.$3$. $[CoCl(NH_3)_5]^{2+}$ has a weak $Cl^-$ ligand,which reduces the overall $\Delta_o$ compared to $[Co(NH_3)_6]^{3+}$.$4$. $[Cu(H_2O)_4]^{2+}$ involves a $3d^9$ system with $H_2O$ ligands,which generally exhibits a smaller $\Delta_o$ value compared to the $Co^{3+}$ complexes mentioned.Among the given options,$[Cu(H_2O)_4]^{2+}$ has the smallest crystal field splitting energy,corresponding to the maximum wavelength of absorbed light.

Which among the following complexes is associated with the maximum wavelength of light absorbed?

Similar Questions

The complex with the highest magnitude of crystal field splitting energy $\left(\Delta_0\right)$ is

The homoleptic and octahedral complex of $Co^{2+}$ and $H_2O$ has $.......$ unpaired electron$(s)$ in the $t_{2g}$ set of orbitals.

Which of the following is a weak field ligand?

On what factors does the crystal field splitting in an octahedral complex depend?

Explain the origin of colour in coordination compounds.

Vedclass Test Series

Exam Paper Generator

Online Exam Module