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Write down the electronic configuration ...

Write down the electronic configuration of :
(a) `Cr^(3+)`
(b) `Cu^(+)`
(c ) `Co^(2+)`
(d) `Mn^(2+)`
(e) `Pm^(3+)`
(f) `Ce^(4+)`
(g) `Lu^(2+)`
(h) `Th^(4+)`

Text Solution

Verified by Experts

`(a) Cr^(3+) : [Ar]3d^3 (b) Cu^(+): [Ar]3d^10`
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MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-NCERT FILE (TEXTBOOK EXERCISE)
  1. Write down the electronic configuration of : (a) Cr^(3+) (b) ...

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  2. Why arre Mn^(2+) compounds more stable than Fe^(2+) toward oxidation t...

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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 element 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 giving reason: (a) Transition metals and many of their compo...

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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 iron chromite or...

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

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

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  17. For M^(2+)//M and M^(3+)//M^(2+) systems the E^(ϴ) values for some met...

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

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

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  20. Compare lanthanoids and actinoids with reference to : (i) the electr...

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