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How many d - block elements are there in...

How many d - block elements are there in the periodic table ?

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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -EXERCISE (VERY SHORT ANSWER-TYPE QUESTIONS)
  1. Write the general electronic configuration of the transition elements.

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  2. which of the following are transition elements : Zn, Pd, Cd, Au ?

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  3. How many d - block elements are there in the periodic table ?

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  4. Name the diamagnetic element in the 3d - series.

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  5. What is Baeyer's reagent ? What is it used for ?

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  6. What is Lanthanide contraction?

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  7. Why is KMnO(4) solution used to clean surgical instruments ?

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  8. What happens when ammonium dichromate is heated ?

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  9. Given general electronic configuration of inner transition elements.

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  10. What are ferrous metals ?

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  11. Give an example of disproportionation reaction.

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  12. Name an ore each of Cr and Mn.

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  13. Why are Zn, Cd and Hg not included among transition elements ?

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  14. The magnetic moment of a metal is sqrt(15)BM. How many unpaired electr...

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  15. In case of transition elements of the first series (from Sc to Cu), wh...

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  16. Name the transition element that has the highest density.

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  17. Which among Fe^(2+) & Fe^(3+) salts have higher magnetic moment ?

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  18. Determine whether Ti^(4+) ion is diamagnetic or paramagnetic.

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  19. Why does V(2)O(5) act as a catalyst ?

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  20. Name the transition element which does not exhibit a variable oxidatio...

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