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What are the different oxidation states ...

What are the different oxidation states exhibited by the lanthanoids?

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`+2,+3` and `+4` (`+3` being most common)
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CENGAGE CHEMISTRY-APPENDIX INORGANIC VOLUME 2-Exercises
  1. What are the characteristics of th transition elements and why are the...

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  2. In What way is the electronic configuration of the transition elements...

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  3. What are the different oxidation states exhibited by the lanthanoids?

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  4. What are interstitial compounds? Why are such compounds well known for...

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  5. How is the variability in oxidation states fo transition metals differ...

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  6. Describe the oxidising action of potassium dichromate and write the io...

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  7. For (M^(2+))/(M) and (M^(3+))/(M^(2+)) systems the E^(ɵ) values for so...

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  8. Predict which of the followingwill be coloured in aqueous solution? T...

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

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  10. How would you account for the following. (i). Of the d^4 species. Cr...

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  11. What is meant by 'disproportionation'? Give two examples of disproport...

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  12. Which metal in the first series of transition metals exhibits+1 oxidat...

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  13. Calculate the number of unpaired electrons in the following gaseous io...

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  14. Give examples and suggest reason for the following features of the tra...

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

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

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

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

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  19. Which is the last element in the series of the actinods? Write the ele...

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

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