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A substance is found to hav a magnetic m...

A substance is found to hav a magnetic moments of `3.9BM`.How many unpaired electrons does it contain?

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The correct Answer is:
`mu_(B)(3.9)=,n=3`
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RESONANCE-D BLOCK ELEMENTS-EXERCISE-I PART-I
  1. Which of the following ions would form (i) coloured and (ii) colourles...

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  2. Why Ti^(4) complex are diamagnetic?

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  3. A substance is found to hav a magnetic moments of 3.9BM.How many unpai...

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  4. Why do Mn(II) show maximum paramagnetic character amongst the bivalent...

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

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  6. Explain why transition metals and their many compounds act as goodd ca...

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  7. A transition metal form alloys with other transition elements . Explai...

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  8. Describe The general characteristics of transition elements with speci...

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  9. What happen when CuSO(4) solution is treated with (excess of ammonia...

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  10. What happen when silver nitrate solution is added to Na(2)S(2)O(3) sol...

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  11. What reaction will take place if a silver coin is put in dilute HNO(3)...

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  12. Which type of reaction MnO(4)^(2-)show with acid , dilute -alkali or w...

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  13. Why KMO(4) is stored in dark bottle and what happens to it's acidic so...

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  14. Why does AgNO(3) produced a black stain on the skin?

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  15. Why is AgBr used in photography ?

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  16. Why it is not advisable to dissolve KMnO(4) in cold and concentrated H...

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  17. What happen when: (a) Green Vitriol is strongly heated. , (b) FeSO(4)...

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  18. Complete and balance the following reactions: (a) FeSO(4)+H(2)O+O(2)...

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  19. CrO(O(2))(2) is stable in pyridine. Explain?

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  20. Write the formula of the compound formed by K(2)Cr(2)O(7) in alkaline ...

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