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The calculated spin magnetic moment of F...

The calculated spin magnetic moment of Fe(II) is :

A

4.90 B.M.

B

4.47 B.M.

C

5.91 B.M.

D

0

Text Solution

Verified by Experts

The correct Answer is:
A
Fe(II) has 4 unpaired elecrtrons.
` = sqrt(n (n+2)) = sqrt(4(4 +2))`
` = sqrt(24) = 4.90` B.M.
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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level-II)
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  2. Reduction of MnO(4)^(-) in strongly basic medium gives :

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  3. The calculated spin magnetic moment of Fe(II) is :

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  4. The number of moles of KMnO4 that will be needed to react with one mol...

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  7. In which of the following pairs, the first ion has larger magnetic mom...

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  8. Which of the following statements is false ?

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  9. The magnetic moment of Ce^(3+) (Z = 58) on the basis of spin only form...

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  10. The basic character of transition metal monoxides follow the order :

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  11. The correct order of ionic radii of Y^(3+), La^(3+), Eu^(3+) and Lu^(3...

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  12. Lanthanoids are :

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  13. The number of moles of KMnO(4) reduced by one mole of Kl in alkaline m...

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  14. Four sucessive members of the first two transition elements are listed...

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  15. The aqueous solution containing which one fo the following ions will b...

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  16. Copper sulphate dissolves in excess of KCN to give :

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  17. Which is not correct about the chemistry of 3d and 4f series elements ...

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  18. The approximate percentage of iron in mischmetal is :

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  19. To an acidic solution of anion a few drops of acidified KMnO(4) are ...

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  20. The electronic configuration of transition element "X", is +3, oxidati...

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