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Write down the electronic configuration ...

Write down the electronic configuration of:
(i). `Cr^(3+)`
(ii). `Prn^(3+)`
(iii). `Cu^(o+)`
(iv). `Ce^(4+)`
(v). `Co^(2+)`
(iv). `Lu^(2+)`
(vii). `Mn^(2+)`
(viii). `Th^(4+)`

Text Solution

Verified by Experts

`{:((i) Cr^(3+),:,[Ar]3d^(3),(ii)Cu^(+),:,[Ar]3d^(10)),((iii) Co^(2+),:, [Ar]3d^(7),(iv) Mn^(2+),:,[Ar]3d^(5)),((v)Pm^(3+),:,[Xe]"4f"^(4),(vi)Ce^(4+),:,[Xe]),((vii)Lu^(2+),:,[Xe]4f^(14)5d^(1),(viii)Th^(4+),:,[Rn]):}`
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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-NCERT Exercise
  1. Write down the electronic configuration of: (i). Cr^(3+) (ii). Prn...

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  2. Why are Mn^(2+) compounds more stable than Fe^(2+) toward oxidation to...

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  3. Explain briefly how +2 state become more and stable in the first half ...

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  4. To what extent do the electronic configurations, decide the stability ...

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  5. What may be the stable oxidation state of the transition elements with...

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  6. Name the oxometal anions of the first series of the transition metals ...

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  7. What is lanthanoid contraction? What are the consequences of lanthanol...

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  8. What are the characteristics of th transition elements and why are the...

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

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

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  11. Explain gives reason. (a) Transition metal and many of their compoun...

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

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

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

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

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

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

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

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

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

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