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Magnetic moment of Mn^(+2) is 5.8 B.M. H...

Magnetic moment of `Mn^(+2)` is 5.8 B.M. Hence the number of unpaired electrons presenting the metal ion is

A

5

B

4

C

3

D

2

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-D - BLOCK ELEMENTS-PRACTICE EXERCISE
  1. The highest degree of paramagnetism is shown by

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  2. M^(x+) ion has magnetic moment 2.84 BM. Then 'x' is (Z of M = 23)

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  3. Magnetic moment of Mn^(+2) is 5.8 B.M. Hence the number of unpaired el...

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  4. Reagent used to reduce NO(3)^(-) to NH(3)

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  5. The common metal present in German Silver, Bell metal and Brass is

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  6. The alloy containing highest percentage composition of copper is

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  7. Which of the following is used for stressed structure castings

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  8. Zinc metal is not a constituent in the alloy

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  9. Alloy used for making ball mills

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  10. Percentage of silver in the alloy of German silver

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  11. Bearings are prepared using the alloy

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  12. Zn, Cd, Hg have lowest melting points in their respective periods. Thi...

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  13. Transition element which does not show variable oxidation state is

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  14. More stable compound among the following is

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  15. The element that forms oxide with highest oxidation state

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  16. As the oxidation state of metal in metal oxide increases its acidic na...

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  17. Highest oxidation state exhibited by a lanthanide element is

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  18. Lanthanides are rare earths, but one of them is not available naturall...

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  19. The element with highest number of unpaired L electrons is

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  20. Colour exhibited by divalent Sm in aqueous solutions

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