Consider the following statements: S 1:[ MnCl 6]3-,[ FeF 6]3- and [ CoF 6]3- are paramagnetic having four, five and four unpaired electrons respectively. S2: Valence bond theory gives a quantitative interpretation of the thermodynamic stabilities of coordination compounds. S3: The crystal field splitting Δo, depends upon the field produced by the ligand and charge on the metal ion and arrange in the order of true/ false.

Question

Consider the following statements: S 1:[ MnCl 6]3-,[ FeF 6]3- and [ CoF 6]3- are paramagnetic having four, five and four unpaired electrons respectively. S2: Valence bond theory gives a quantitative interpretation of the thermodynamic stabilities of coordination compounds. S3: The crystal field splitting Δo, depends upon the field produced by the ligand and charge on the metal ion and arrange in the order of true/ false. (A) TTT (B) TFT (C) FTF (D) TFF

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/f4fbfa1e5931b422d69601181bfd9801-.png" /> [ CoF 6]3- S 2 VBT does not give a quantitative interpretation of the thermodynamics stabilities of coordination compounds and (its short coming). S3 is correct statement as Δo propto strength of ligand and oxidation state of central metal ion.

TTT

TFT

FTF

TFF

[CoF6​]3− S2​ VBT does not give a quantitative interpretation of the thermodynamics stabilities of coordination compounds and (its short coming). S3​ is correct statement as Δo​∝ strength of ligand and oxidation state of central metal ion.

$[C o F_{6}]^{3 -}$
$S_{2}$ VBT does not give a quantitative interpretation of the thermodynamics stabilities of coordination compounds and (its short coming).
$S_{3}$ is correct statement as $Δ_{o} \propto$ strength of ligand and oxidation state of central metal ion.