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Write down the number of 3d electrons in...

Write down the number of 3d electrons in each of the following ions: `Ti^(2+),V^(2+),Cr^(3+),Mn^(2+),Fe^(2+),Fe^(2+),Co^(2+),Ni^(2+)` and `Cu^(2+)` indicate how would you expect the five 3d orbitals to be occupied for these hydrated ions (octahedral).

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Write down the number of 3d electrons in each of the following ions : Ti^(2+), V^(2+), Cr^(3+), Mn^(2+), Fe^(2+), Co^(2+), Ni^(2+) and Cu^(2+) . Indicate how would you expect the five 3d orbitals to be occupied for these hydrated ions (octahedral).

Determine total number of unpaired electrons in following ions Ti^(3+),V^(3+),Cr^(3+),Mn^(3+),Mn^(2+),Fe^(3+),Fe^(2+),Co^(2+),Ni^(2+),Cu^(2+) .

Find the number of colourless species among the following: Sc^(3+),Ti^(4+),V^(3+),Zn^(2+),Mn^(2+),Fe^(3+),Ni^(2+),Cu^(2+),Cr^(3+)

Write the electronic configurations of the following ions : (i) Cu^(+) (ii) Co^(2+) (iii) Cr^(3+) (iv) Mn^(2+)

The colourless ion among the following is (A) Mn^(2+) , B) Cu^(+) (C) Cr^(3+) (D) Fe^(2+)

The correct order of the number of unpaired electrons in the ions Cu^(2+), Ni^(2+), Fe^(3+) , and Cr^(3+) is

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NCERT-THE D AND F BLOCK ELEMENTS-Exercise
  1. Compare the stability of +2 oxidation state for the elements of the fi...

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  2. Compare the chemistry of actinoids with that of the lanthanoids with s...

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  3. How would you account for the following: A) Of the d^(4) species Cr^(...

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  4. What is meant by 'disproportionation'? Give two examples of disproport...

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  5. Which metal in the first series of transition metals exhibits +1 oxida...

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  6. Calculate the number of unpaired electrons in the following gaseous io...

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  7. Give examples and suggest reason for the following features of the tra...

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  8. Indicate the steps in the preparation of: (i). K2Cr2O7 from chromite...

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  9. What are alloys? Name an important alloy which contains some of the la...

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  10. What are inner-transition elements? Decide which of the following atom...

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  11. The chemistry of the actinoid elements is not so smooth as that of the...

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  12. Which is the last element in the series of the actinods? Write the ele...

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  13. Use Hund's rule to derive the electronic configuration of Ce^(3+) ion,...

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  14. Name the member of the lanthanoids series which exhibit +4 oxidation s...

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  15. Compare the chemistry of actinoids with that of the lanthanoids with s...

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  16. Write the electronic configuration of the elements with the atomic num...

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  17. Compare the general characteristics of the first series of the transit...

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  18. Write down the number of 3d electrons in each of the following ions: T...

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  19. Comments on the statement that elements of the first transition serie...

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  20. What can be inferred from the magnetic moment values of the following ...

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