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Question
I) [MnCl6]3−,[FeF6]3− and [CoF6]3− are paramagnetic having four, five and four unpaired electrons respectively.
II) Valence bond theory gives a quantitative interpretation of the thermodynamic stabilities of coordination compounds.
III) The crystal field splitting Δ0, depends upon the field produced by the ligand and charge on the metal ion.
Amongst the following correct statements are :
I) [MnCl6]3−,[FeF6]3− and [CoF6]3− are paramagnetic having four, five and four unpaired electrons respectively.
II) Valence bond theory gives a quantitative interpretation of the thermodynamic stabilities of coordination compounds.
III) The crystal field splitting Δ0, depends upon the field produced by the ligand and charge on the metal ion.
Amongst the following correct statements are :
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Solution
The correct option is A I, III
I) As all are weak field ligands, therefore, all will have a same number of unpaired electrons as in central metal ion.
II) V.B.T. does not give any interpretation about the relative thermodynamic stabilities of various complexes. This is one of the limitations of VBT.
III) It is a correct statement.
I) As all are weak field ligands, therefore, all will have a same number of unpaired electrons as in central metal ion.
II) V.B.T. does not give any interpretation about the relative thermodynamic stabilities of various complexes. This is one of the limitations of VBT.
III) It is a correct statement.
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