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Indicate the steps in the preparation of...

Indicate the steps in the preparation of :
`K_(2)Cr_(2)O_(7)` from chromite ore.

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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -SOLVED NCERT TEXTBOOK PROBLEMS (NCERT EXERCISE QUESTIONS)
  1. Given example and suggest reasons for the following features of the tr...

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  2. Given example and suggest reasons for the following features of the tr...

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  3. Indicate the steps in the preparation of : K(2)Cr(2)O(7) from chrom...

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  4. Indicate the steps in the preparation of : KMnO(4) from pyrolusite ...

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  5. What are alloys ? Name an important alloy which contains some of the l...

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  6. What are inner transition elements ? Decide which of the following ato...

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

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  8. Which is the last element in the series of the actinoids ? Write the e...

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  9. Use Hund's rule to derive the electronic configuration of Ce^(3+) ion,...

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

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  11. Compare the chemistry of the actinoids with that of lanthanoids with r...

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  12. Compare the chemistry of the actinoids with that of lanthanoids with r...

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  13. Compare the chemistry of the actinoids with that of lanthanoids with r...

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  14. Write the electronic configurations of the elements with the atomic nu...

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  15. Compare the general characteristics of the first series of the transit...

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  16. Compare the general characteristics of the first series of the transit...

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  17. Compare the general characteristics of the first series of the transit...

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  18. Compare the general characteristics of the first series of the transit...

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  19. Write down the number of 3d electrons in each of the following ions : ...

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  20. Comment on the statement that elements of the first transition series ...

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