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Explain the following facts:transition e...

Explain the following facts:transition elements form coloured compounds

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R G PUBLICATION-THE d-AND f-BLOCK ELEMENTS-EXERCISE
  1. For M^(2+)/M and M^(3+)/M^(2+) systems the E^@ values for some metals ...

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  2. Why is the highest oxidation state of a metal exhibited in its oxide o...

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  3. Explain the following facts:transition elements form coloured compound...

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  4. Explain the following facts: Transition elements and their compounds s...

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  5. Explain the following facts: transition elements form complex compound...

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  6. Explain the following facts: Transition metals form alloy

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  7. Explain the following facts: Transition elements form interstitial com...

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  8. How K2Cr2O7 is prepared? Write the necessary reactions involved.

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  9. What happens when potassium dichromate reacts with H2S and KI in acidi...

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  10. Indicate the steps in the preparation of KMnO4.

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  11. Write the cause of lenthanide contraction.

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  12. Actinoid contraction is greater from element to element than lanthanoi...

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  13. What is meant by disproporation'. Give two examples of disproporationa...

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  14. Compare the chemistry of actinoids with that of the lanthanoids with s...

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  15. Write three applications of d-block elements.

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  16. Explain the following: Cu(I) ion is not known is aquous solution

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  17. How would you account for the following? The enthalpies of atomization...

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  18. Explain the following: Co (II) is stable in aquous solution but in the...

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  19. Explain the following: The oxidizing power of oxoanions are in the ord...

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  20. Explain the following: The colour of potassium dichromate

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