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How would you account for the following?...

How would you account for the following? The transition metal compounds are good catalyst.

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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
  1. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  2. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  3. How would you account for the following? The transition metal compound...

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  4. In the transition series with an increase in atomic number the atomic ...

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  5. A blackish brown coloured solid 'A' when fused with alkali metal hydro...

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  6. What happens when an acidic solution of the green compound 'B' is allo...

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  7. Give reasons for the following. Among the lanthanoid, Ce (III) is easi...

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  8. Give reasons for the following. Fe^(3+)//Fe^(2+) redox couple has less...

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  9. Copper (I) and d^(10) configuration, while copper (II) has d^9 configu...

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  10. Explain: The lowest oxidation state of manganese is basic while highes...

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  11. Mn (II) shows maximum paramagnetic character amongst the divalent ions...

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  12. Give reason: among transition metals, the highest oxidation state is e...

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  13. Give reason: Ce(4+) is used as an oxidising agent in volumetric analys...

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  14. Give reason: Zn^(2+) salts are white while Cu^(2+) salts are blue.

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  15. Silver atom has completely filled d-orbital (4d^10) in its ground stat...

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  16. In the series Sc(Z = 21) to Zn (Z =30), the enthalpy of atomization of...

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  17. Which of the first row transition metal exhibit +7 oxidation state?

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  18. The E(M^(2+)//M)^(Theta) for copper positive (+0.34V)It is only metal ...

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  19. How would you account for irregular variation of 1st and 2nd ionisatio...

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

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