171.Draw all the isomers (geometrical and optical) of [Co(NH3)Cl(en)2 ]2+
[CoCl(en)2(NH3)]2+ Two geometrical isomers, cis and trans forms are possible
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172.Draw all the isomers (geometrical and optical) of [Co(NH3)2Cl2(en)]+
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173.Write all the geometrical isomers of[Pt(NH3)(Br)Cl(py)] and how many of these will exhibit optical isomers?
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174.Aqueous copper sulphate solution (blue in colour) gives: (i) a green precipitate with aqueous potassium fluoride and (ii) a bright green solution with aqueous potassium chloride. Explain these experimental results.
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175.What is the coordination entity formed when excess of aqueous KCN is added to an aqueous solution of copper sulphate? Why is it that no precipitate of copper sulphide is obtained when H2S(g) is passed through this solution?
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176.
Draw figure to show splitting of d orbitals in an octahedral crystal field.
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177.
What is spectrochemical series? Explain the difference between a weak field ligand and a strong field ligand.
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178.Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory. [Fe(CN)6]4–
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179.Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory. [FeF6]3–
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180.Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory. [CoF6]3–
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