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Explain briefly how +2 state becomes mor...

Explain briefly how `+2` state becomes more and more stable in the first half of the first row transition elements with increasing atomic number ?

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MODERN PUBLICATION-D-AND F-BLOCK ELEMENTS-EXERCISE
  1. In the series Sc (Z=21) to Zn (Z=30), the enthalpy of atomisation of z...

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  2. The lowest oxidation state of transition metal is basic why is it Exp...

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  3. Explain briefly how +2 state becomes more and more stable in the first...

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  4. Explain, why Mn^(2+) compounds are more stable than Fe^(2+) towards ox...

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  5. The chemistry of the actinoid elements is not so smooth as that of the...

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  6. Assign reasons for the following: Phosphorus doped silicon is a sem...

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  7. Transition elements are:

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  8. Which of the d - block elements are not regarded as transition element...

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  9. Name the members of the lanthanoid series which exhibit + 4 oxidation ...

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  10. Why Fe^3+ is more stable than Fe^2+ ?

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  11. Indicate the steps in the preparation of K2Cr2O7 from chromite ore.

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  12. Write steps involved in the preparation of KMnO(4).

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  13. BiCl(3), is more stable than BiCl(5) Why?

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  14. The transition element with least atomic number is:

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  15. Transition metals in their compounds show:

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  16. Pb shows oxidation state of

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  17. Which of the two have almost similar size :

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  18. Why Zn^2+ salts are white while Ni^2+ and Cu^2+ salts are coloured ?

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  19. Complete the following chemical equations : XeF(2)+PF(5)to

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  20. The electronic configuration of Ag atom is :

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