Valence Bond Theory

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Valence Bond Theory: Overview

This Topic covers sub-topics such as Valence Bond Theory, Limitations of Valence Bond Theory, Explanation of Valence Bond Theory, Magnetic Properties of Coordination Compounds and, Bonding in Coordination Compounds

Important Questions on Valence Bond Theory

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The spin only magnetic moment of the complex [Co(NH3)5Cl]Cl2 in BM is

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In 20th century, German scientist Werner succeeded in clarifying the structures of the five compounds consisting of platinum, chlorine, and ammonia. Some of the properties of these compounds are shown below in the table.

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Predict the shape of each compound.

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The structure of which of the following chloro species can be explained on the basis of  dsp2 hybridisation?

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Which of the following compound has tetrahedral geometry?

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Which of the following is an outer orbital complex?

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Amongst the following ions which one has the highest paramagnetism ?

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The hybridisation of Fe in K4Fe(CN)6 is

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Write an example for a linear complex ion with coordination number two.

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What is the hybridisation of central metal atom of complex compound with coordination number 2.

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 The metal with coordination number two in complex compound forms _____ complex.

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What is the geometry of CuNH342+?

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How valence bond limits the electroneutrality and back bonding?

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What are the drawbacks of valence bond theory in coordination compounds?

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What happens if NO reacts with CrCO6?

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Explain that CoNH363+ is a low spin complex while CoF63- is a high spin complex. 
 

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Explain CoNH363+ is an inner orbital complex whereas NiNH362+ is an outer orbital complex.

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Which of the following compounds has coordination number as 5?

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The structure of VOCN42- is _____.

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Explain about the structure of the complex VOCN42-.

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  Explain the case giving appropriate reasons : Nickel does not form low spin octahedral complexes.