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Explain the following properties of tran...

Explain the following properties of transition elements.
(i) Variable oxidation states (ii) Complex formation

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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-Question From Board Examination
  1. Explain actinoid contraction .

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  2. Why do transition elements show variable oxidation state?

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  3. Explain the following properties of transition elements. (i) Variab...

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  4. Describe the preparation of potassium dichromate from chromite ore. Wh...

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  5. (a) What is Lanthanoids contraction ? (b) What are Interstial compou...

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  6. Complete the following : 3MnO(4)^(2-)+4H^(+) to

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  7. How will you account for the following : (a) (i) The chemistry of act...

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  8. (a) How would you account for the following : (i) Actinoids contract...

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  9. (i) Account for the fact that Eu^(2+) is a strong reducing agent. (...

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  10. {:(E(M^(2+)//M)^(@),Cr,Mn, Fe, Co, Ni, Cu),(,-0.91,-1.18,-0.44,-0.28,-...

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  11. When chromite ore FeCr(2)O(4) is fuse with NaOH in presence of air, a ...

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  12. Complete the following chemical equations : (i) 8MnO(4)^(-)+3S(2)O(3...

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  13. Give reason for the following : (i) Mn shows the highest oxidation s...

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  14. (a) Account for the following : (i) Mn(2)O(7) is acidic whereas MnO ...

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  15. The element of 3d transition series are given as : Sc Ti V Cr Mn Fe ...

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  16. Explain the following : (i) Most of the transition elements show var...

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  17. (i) Write the electronic configuration of Cu^(+) and Cu^(2+) ions (Z=2...

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  18. (i) What are intersitial compounds ? Give their general characteristic...

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  19. (i) What are transition elements ? (ii) Why do transition elements s...

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  20. How will you obtain pure potassiu permanganate (KMnO(4)) crystals from...

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