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Calculate the 'spin only' magnetic momen...

Calculate the 'spin only' magnetic moment of `Fe_(aq)^(2+)` ion.

Text Solution

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`Fe^(+2)` ion has electronic configuration `[Ar]4s^(0)3d^(6)`
It has four unpaired electrons n=4
Spin only magnetic moment `mu=sqrt(n(n+2))BM=sqrt(4(4+2))=sqrt(24) BM =4.9 BM`
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-D AND F- BLOCK ELEMENTS AND CO-ORDINATION COMPOUNDS -VERY SHORT ANSWER QUESTIONS
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  2. Write 'spin only' formula to calculate the magnetic moment of transiti...

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  3. Calculate the 'spin only' magnetic moment of Fe(aq)^(2+) ion.

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  4. What is meant by 'disproportionation' ? Give an example of disproporti...

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  6. What are complex compounds ? Give examples.

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  7. Why do the transition metals forin a large number of complex compounds...

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  8. How do transition metals exhibit catalytic activity?

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  9. Give two reactions in which transition metals or their compounds acts ...

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  10. What is an alloy ? Give example.

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  11. Why do the transition metals readily form alloys ?

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  12. How do the ionic character and acidic nature vary among the oxides of ...

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  13. What is the effect of increasing pH on a solution of potassium dichrom...

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  15. Permanganate titrations are carried out in the presence of sulphuric a...

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  16. What is Lanthanoid contraction ?

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

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  18. What is Misch metal ? Given its composition and use.

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  19. What is actinoid contraction ?

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  20. What are co-ordination compounds? Give two examples.

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