Which one of the following complexes will mos | vedclass

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

Question

(C) The absorption of visible light and the resulting coloured nature of transition metal complexes are due to the $d-d$ electronic transition,which r

Vedclass · Accepted Answer

$[V(NH_3)_6]^{3+}$

Vedclass · Answer

(C) The absorption of visible light and the resulting coloured nature of transition metal complexes are due to the $d-d$ electronic transition,which requires the presence of at least one unpaired $d$-electron.Let us analyze the electronic configuration of the metal ions in the given complexes:$1. [Sc(H_2O)_6]^{3+}: Sc^{3+} (Z=21) = [Ar] 3d^0$. No unpaired electrons.$2. [Ti(NH_3)_6]^{4+}: Ti^{4+} (Z=22) = [Ar] 3d^0$. No unpaired electrons.$3. [V(NH_3)_6]^{3+}: V^{3+} (Z=23) = [Ar] 3d^2$. Two unpaired electrons.$4. [Zn(NH_3)_6]^{2+}: Zn^{2+} (Z=30) = [Ar] 3d^{10}$. No unpaired electrons.Since $[V(NH_3)_6]^{3+}$ contains unpaired $d$-electrons,it can undergo $d-d$ transitions and is the most likely to absorb visible light.

Which one of the following complexes will most likely absorb visible light? (At. nos. $Sc = 21$,$Ti = 22$,$V = 23$,$Zn = 30$)

Similar Questions

Which of the following compound$(s)$ exhibit geometrical isomerism?
$(i) [Pt(en)Cl_2]$
$(ii) [Pt(en)_2]Cl_2$
$(iii) [Pt(en)_2Cl_2]Cl_2$
$(iv) [Pt(NH_3)_2Cl_2]$

The unmatched characteristic of the complex $[PdCl_2(H_2O)_2(NH_3)_2]^{2+}$ is:

The coordination compound with the molecular formula $[CO(NO_2)(SCN)(en)_2]Br$ exhibits which of the following types of isomerism?

Indicate the complex entity which shows optical isomerism.

There are four complexes of $Ni$. Select the complex(es) which will be attracted by a magnetic field:
$(I) \ [Ni(CN)_4]^{2-}, \ (II) \ [NiCl_4]^{2-}, \ (III) \ [Ni(CO)_4]$
$(IV) \ [Ni(H_2O)_6]^{2+}$

Vedclass Test Series

Exam Paper Generator

Online Exam Module