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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 most common oxidation state of lanthanoids is +3. However, some lanthanoids also show an oxidation state of +2 and +4. For example, Eu shows an oxidation state of +2 and Ce shows an oxidation state of +4.
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U-LIKE SERIES-THE D-AND F-BLOCK ELEMENTS -NCERT TEXTBOOK EXERCISES
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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 giving reasons : (i) Transition metals and many of their com...

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

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  7. Describe the preparation of potassium permanganate. How does the acidi...

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  8. For M^(2+)//M and M^(3+)//M^(2+) systems, the E^(@) values for some me...

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

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  10. Compare the stability of +2 oxidation state for the elements of the fi...

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  11. Compare the chemistry of actinoids with that of the langthanoids with ...

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

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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 oxida...

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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 reasons for the following features of the tr...

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

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

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

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

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