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Homoleptic octahedral complexes of a metal ion ' M{ }^{3+}, wi

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Homoleptic octahedral complexes of a metal ion ' $M^{3 +}$ , with three monodentate ligands $L_{1}, L_{2}$ and $L_{3}$ absorb wavelengths in the region of green, blue and red respectively. The increasing order of the ligand strength is

L_{1} < L_{2} < L_{3}

L_{2} < L_{1} < L_{3}

L_{3} < L_{1} < L_{2}

L_{3} < L_{2} < L_{1}

Views: 5,987 students

Updated on: Oct 13, 2023

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2019

Found 8 tutors discussing this question

Elijah Discussed

Homoleptic octahedral complexes of a metal ion '

M^{3 +}

, with three monodentate ligands

L_{1}, L_{2}

and

L_{3}

absorb wavelengths in the region of green, blue and red respectively. The increasing order of the ligand strength is

8 mins ago

Discuss this question LIVE

8 mins ago

Text solutionVerified

In homoleptic complexes, the metal atom/ion is linked to only one type of ligand. Assuming, ligands are neutral, the octahedral complexes of

M^{3 +}

can be,

[M (L_{1})_{6}]^{3 +}, [M (L_{2})_{6}]^{3 +}

and

[M (L_{3})_{6}]^{3 +}

λ_{Absorption}

Green Blue Red (wavelength) So,

λ_{III}^{L_{3}} > λ_{I}^{L_{1}} > λ_{II}^{L_{2}}

∴ Δ_{absorption}^{\circ} : Δ_{II}^{L_{2}} > Δ_{I}^{L_{1}} > Δ_{III}^{L_{3}}

[∵

Energy

(Δ

, CFSE

) \propto \frac{1}{λ}]

We know, ligand strength

\propto Δ_{absorption}^{\circ}

So, the increasing order of the ligand strength will be,

L_{3} < L_{1} < L_{2}

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Question Text	Homoleptic octahedral complexes of a metal ion ' $M^{3 +}$ , with three monodentate ligands $L_{1}, L_{2}$ and $L_{3}$ absorb wavelengths in the region of green, blue and red respectively. The increasing order of the ligand strength is
Updated On	Oct 13, 2023
Topic	Coordination Compounds
Subject	Chemistry
Class	Class 12
Answer Type	Text solution:1 Video solution: 3
Upvotes	447
Avg. Video Duration	7 min

Homoleptic octahedral complexes of a metal ion ' $M^{3 +}$ , with three monodentate ligands $L_{1}, L_{2}$ and $L_{3}$ absorb wavelengths in the region of green, blue and red respectively. The increasing order of the ligand strength is

Text solutionVerified

Filo tutor solutions (3)

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Filo tutor solutions (3)

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Homoleptic octahedral complexes of a metal ion ' $M^{3 +}$ , with three monodentate ligands $L_{1}, L_{2}$ and $L_{3}$ absorb wavelengths in the region of green, blue and red respectively. The increasing order of the ligand strength is