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Indicate the steps in the preparation of...

Indicate the steps in the preparation of:
(i). `K_2Cr_2O_7` from chromite ore.
(ii). `KMnO_4` from pyrolusite ore

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CENGAGE CHEMISTRY ENGLISH-APPENDIX INORGANIC VOLUME 2-Exercises
  1. Calculate the number of unpaired electrons in the following gaseous io...

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  2. Give examples and suggest reasons for the following features of the tr...

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  3. Indicate the steps in the preparation of: (i). K2Cr2O7 from chromite...

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

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  5. What are inner transition elements? Decide which of the following atom...

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

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

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

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

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

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

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

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

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

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  15. What can be inferred from the magnetic moment values of the following ...

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  16. Which of the following postulates of kinetic theory of gases is not co...

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  17. FeSO(4) solution mixed with (NH(4))(2)SO(4) solution in 1:1 molar rati...

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  18. Explain with two examples each of the following: coordination entity, ...

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  19. What is meant by unidentate, didentate and ambidentate ligands? Give t...

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  20. Specify the oxidation numbers of the metals in the following coordinat...

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