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Why E^@ values for Mn and Ni are negativ...

Why `E^@` values for Mn and Ni are negative?

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R G PUBLICATION-THE d-AND f-BLOCK ELEMENTS-EXERCISE
  1. Compare the stability of +2 oxidation state for the elements of first ...

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  2. Write four factors which affect the relative stability of various oxid...

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  3. Why E^@ values for Mn and Ni are negative?

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  4. For M^(2+)/M and M^(3+)/M^(2+) systems the E^@ values for some metals ...

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

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

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

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

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  9. Explain the following facts: Transition metals form alloy

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

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

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

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  13. Indicate the steps in the preparation of KMnO4.

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  14. Write the cause of lenthanide contraction.

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

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

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

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  18. Write three applications of d-block elements.

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

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

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