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Why do transition elements shows variabl...

Why do transition elements shows variable oxidation states?

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The correct Answer is:
The energies of `(n-1)` d orbital and ns orbital are very close . Hence , electron from both can participate in bonding.
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RESONANCE ENGLISH-D BLOCK ELEMENTS-EXERCISE-I PART-I
  1. Assign reasons for the following : (b) The ionization energy of 5d e...

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  2. K2 Pt Cl6 is well known compound while corresponding Ni compound is n...

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  3. Why do transition elements shows variable oxidation states?

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  4. What is the most common oxidation state of first transition series?

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  5. What is meant by ‘disproportionation’ of an oxidation state? Give an e...

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  6. Name the three factors which determine the stability of a particular ...

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  7. Why is the E^(ϴ) value for the Mn^(3+)//Mn^(2+) couple much more posit...

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  8. Most of the transition metals do not displace hydrogen from dilute aci...

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  9. Use the data to answer the following and also justify giving rason: {:...

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  10. Which of the following ions would form (i) coloured and (ii) colourles...

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  11. Why Ti^(+4) complex are diamagnetic?

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

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

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  14. Explain giving reasons: (i) Transition metals and many of their compou...

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  15. Explain why transition metals and their many compounds act as good cat...

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  16. A transition element forms alloys with other transition metals easily....

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

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

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  19. What happens when silver nitrate solution is added to Na(2)S(2)O(3) so...

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

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