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Name the two elements of Ist row transit...

Name the two elements of Ist row transition series which have exceptional electronie configuration and why ?

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USHA PUBLICATION-D- AND F_BLOCK ELEMENT & CO-ORDINATION COMPOUND -EXERCISE
  1. Between [Fe(H2O)6]^(3+) and [Fe(CN)6]^(3-) which is a low spin complex...

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  2. Write the E. C of Lanthanides and Actinides.

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  3. Name the two elements of Ist row transition series which have exceptio...

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  4. Explain why Fe^(3+) ion is more stable than Fe^(2+) ion in aqueous sol...

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  5. What is the reason of paramagnetism in transition metals ?

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  6. A complex having molecular formula Cr(NH3)4CI2Br has two isomers 'A' a...

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  7. What do you mean by passivity of iron ?

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  8. Write two important alloys of copper and their uses.

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  9. Give two examples of alloy steel and their uses.

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  10. What do you mean by double salt and co- rodination compound ? Give one...

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  11. Write the name and composition of two iron ore.

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  12. Find the magnetic moment of Cr^(3+) ion.

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  13. What are transition metals ? Write their general outer electronic conf...

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  14. Explain, why Cu^+ ion is not stable in aqueous solution.

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  15. Explain why transition metal ions are usually coloured.

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  16. Explain, why [Ni(CN)4]^(2-) and [NiCl4]^(2-) have different geometry.

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  17. What is chelating ligand ?

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  18. What are t(2g) and eg orbitals ?

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  19. Explain the structure of CoCl3.4NH3 on the basis of Werner's theory.

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  20. Why do transition metals form complex salts?

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