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Why do transition elements exhibit varia...

Why do transition elements exhibit variable oxidation states ?

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USHA PUBLICATION-D- AND F_BLOCK ELEMENT & CO-ORDINATION COMPOUND -EXERCISE
  1. What are the ambidentate ligands ? Give examples.

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  2. What do yor mean by inner orbital and outer orbital complexes ?

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  3. Why do transition elements exhibit variable oxidation states ?

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  4. Find the magnetic moment of Mn^(2+) ion.

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  5. Difference between double salt and complex salt.

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  6. Why are Zn salts colourless ?

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  7. Explain why NH3 is a ligand while NH4^+ is not.

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  8. Name two co-ordination compounds which play important role in living s...

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  9. Discuss the importance of co-ordintion compounds in qualitative analys...

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  10. Explain why [Fe(H2O)6]^(2+) is paramagnetic while [Fe(CN)6]^(4-) is di...

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  11. Write the structural formula of EDTA and also give its one use.

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  12. What meant by chelate ? Give an example.

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  13. What is crystal field splitting ?

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  14. Explain, why Mn^(2+) compounds are more stable than Fe^(2+) towards ox...

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  15. What is the effect of Increasing pH on a solution of potassium dichrom...

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  16. How the variability in oxidation states of transition metals differ fr...

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  17. Predict which of the following will be coloured In aqueous solution gi...

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  18. How the Lanthanoids differ from Actinoids with relative to their oxida...

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  19. What are the inner transition elements ?

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  20. Which of the following atomie numbers are the inner transition element...

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