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How would you account for the following ...

How would you account for the following ? Most of the transition metal ions exhibit characteristic colours in aqueous solutions.

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Give an explanation for the following observation : With the same d-or...

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  2. How would you account for the following ? The actinoids exhibit a larg...

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  3. How would you account for the following ? Most of the transition metal...

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  4. Why enthalpy of atomisation of the transition elements are quite high ...

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  5. The 4d and 5d series of transition metals have more frequent metal-met...

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  6. Explain the following observation giving an appropriate reason : Mn^(2...

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  7. Complete the following chemical equation : Cr2O7^(2-) (aq)+ Fe^(2+) (a...

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  8. Write the iupac name of the compound : K2[Zn (OH)4]

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  9. Complete the following chemical equation : 2MnO4^(-)+ 5C2O4^(2-) + 16H...

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  10. What are interstitial compounds ? Mention their characteristics.

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  11. Write uses of actinoids.

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  12. Write one oxidising reaction of K2Cr2O7 in Acidic medium.

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  13. Write one oxidising reaction of KMnO4 in basic medium.

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  14. Write the iupac name of the compound : Hg[Co (CNS)4]

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  15. Draw the structure of CrO4^(2-) .

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  16. Write the oxidation of H2S by acidified KMnO4.

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  17. Lanthanoids are much more paramagnetic than transition elements. Expla...

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  18. Draw the structure of Cr2O7^(2-) .

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  19. Write the reaction of potassium iodide with acidified potassium dichro...

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  20. How does permanganate solution react with Fe(II) ions? Write balanced ...

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