Edubuzz Notes

JD Lee Inorganic Chemistry PDF (5th Edition) Free Download

JD Lee Inorganic Chemistry PDF Free Download. The “CONCISE INORGANIC CHEMISTRY” – Fifth Edition is written by JD Lee. The aim of the fifth edition remains exactly the same as…

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What is the difference between dd transition and charge transfer transition

The difference between d-d transition and charge transfer (CT) transition are as follows In the d-d transition, the transition occurs between the d orbitals of the metal. Charge transfer transition…

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Why is [Ti(H2O)6)] 3+ violet in colour ?

In [Ti(H2O)6)]3+, Ti3+ ion has only one electron in 3d-orbital. The electron occupies the orbital of the lowest energy, i.e., any one of the degenerate t2g orbitals. The violet/purple colour…

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How Mn2+(aq) ion gives light pink colour ?

In high spin octahedral d5 complexes like [Mn(H2O)6]2+, Mn2+ ion has five unpaired electrons which are filled parallelly in all the t2g and eg orbitals. Since any d-d transition involves…

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What is the reason for the colour of potassium dichromate?

The reason for the colour of potassium dichromate (K2Cr2O7) is ligand to metal charge transfer (LMCT) transition. In Cr2O72-, Cr is in +6 oxidation state and have all the 3d-orbitals…

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Why is Δo the double of Δt ?

The crystal field splitting in octahedral complexes (Δo) is double than that in tetrahedral complexes (Δt) (i.e., Δo is double of Δt) because: (i) The number of ligands is 2/3…

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Why tetrahedral complexes are high spin ?

Tetrahedral complexes are high spin because (i) Δt = 4/9 Δo, i.e., tetrahedral crystal field splitting is half the crystal field splitting in octahedral complexes. (ii) Δt is always less…

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What are the postulates of crystal field theory ?

The postulates of crystal field theory are Ionic ligands such as Cl–, OH–, CN– are regarded as negative point charges (or simply point charges) and the neutral ligands such as…

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