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What are the different oxidation states ...

What are the different oxidation states exhibited by the lanthanoids?

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The common stable oxidation state of lanthanoids is `+3`. However, some may also exhibit `+2` and `+4` oxidation states.
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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-NCERT Exercise
  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. Explain gives reason. (a) Transition metal and many of their compoun...

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

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

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  7. Describe the preparation of potassium dichromate from chromite ore. W...

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

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  9. For M^(2+)//M and M^(3+)//M^(2+) system, the E^(@) value of some metal...

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  10. Predict which of the following will be coloured in aqueous solution ? ...

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

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  12. How would you account for the following: A) Of the d^(4) species Cr^(...

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

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  14. which metal in the first series of transition metals exhibits +1 oxid...

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

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

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

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

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

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

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