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Name any three elements of second transi...

Name any three elements of second transition series which have abnormal electronic configurations.

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Niobium , molybdenum , palladium
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MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-PRACTICE PROBLEM
  1. Out of Fe^(2+) and Fe^(3+) which is more paramagnetic and why?

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  2. Calculate the magnetic moments of Fe^(2+) and Fe^(3+)

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  3. Name any three elements of second transition series which have abnorma...

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  4. Explain why Zn^(2+) salts are colouless while Ni^(2+) salts are colour...

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  5. A compound has been found to have magnetic moment of 3.9 B.M. How many...

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  6. The catalyst used in the manufacture of H2 SO4 by contact process is.

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  7. Give reason, Mn^(2+) ion is more paramagnetic than Fe^(2+) ion.

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  8. The oxidation state of Cr in K(2)Cr(2)O(7) is:

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  9. The orange colour of dichromate solution changes of blue on heating wi...

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  10. MnO2 on heating with potassium hydroxide in the presence of air forms...

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  11. Chromite is ...........

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  12. KMnO4 overset("heat")(to) ………… + MnO2 + …………..

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  13. Write ionic equation showing KMnO4 acting as an oxidising agent in ac...

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  14. What is the oxidation state of (i) Cr in dichromate ion (ii) ...

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  15. The equivalent weight of KMnO(4) in (a) neutral medium, (b) acidic med...

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  16. Complete the chemical reactions : (i) MnO4^(-) + SO2 + H^(+) to ...

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  17. What is the shape of chromate ion ?

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  18. In chromyl chloride test orange red vapours are obtained. These are du...

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  19. Which out of the two ,La(OH)(3) and Lu(OH)(3), is more basic and why?

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  20. Most stable oxidation state of Lanthanoids

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