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What are alloys? Name an important alloy...

What are alloys? Name an important alloy which contains some of the lanthanoid metals. Mention its uses.

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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
  1. Which matal in the first series of transition metal exhibite +1 oxidat...

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  2. Give reason: among transition metals, the highest oxidation state is e...

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  3. What are alloys? Name an important alloy which contains some of the la...

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  4. Which is the last element in the series of the actinoids? Write the el...

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

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  6. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  7. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  8. Compare the chemistry of actinoids with that of the lanthanoids with s...

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  9. Write the electronic configuration of the elements with the atomic num...

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  10. Why is copper sulphate pentahydrate coloured?

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  11. Give reasons: Why is HCl not used to acidify a permanganate solution i...

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  12. What are lanthanoids?

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  13. Write the highest oxidation state exhibited by chromium (Z = 24).

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  14. What is the most stable oxidation state of manganese (Z = 25)?

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  15. Name the first element of the 3d transition metal series.

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  16. Write the highest oxidation state of element with atomic number 23.

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  17. Name the tripositive metal ion represented by the configuration 1s^2 2...

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  18. Give reasons: Name one ore each of the manganese and chromium.

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  19. What are interstitial compounds? Mention principla physical and chemic...

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  20. Which compound of thorium is used in making incandescent gas lamp mant...

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