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The number of paramagnetic ions among Ti...

The number of paramagnetic ions among `Ti^(3+), Cr^(3+), Ti^(4+), Fe^(2+), Co^(2+), Zn^(2+), Cu^(+), ^(3+), Mn^(2+)` is

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Which shows the maximum magnetic moment? V^(3+) Cr^(3+) Fe^(3+) Co^(2+)

Which of the following has maximum number of unpaired electrons ? Ti^(3+), V^(3+), Fe^(2+),Mn^(2+)

Which one is more paramagnetic Fe^(2+) or Fe^(3+) (Z = 26) ?

Predict which of the following will be coloured in aqueous solution ? Ti^(3+), V^(3+) , Sc^(3+) , Fe^(3+) , Co^(2+) and MnO_4^Theta

What is the theoretical magnetic moment of Ti^(3+) ion ?

Which of the following ions are expected to be coloured ? Ni^(2+), Ti^(3+), Cu^(+), Sc^(3+), Zn^(2+)

Calculate the number of unpaired electrons in the following gaseous ions i) Mn^(3+) ii) Cr^(3+) iii) V^(3+) iv) Ti^(3+) Which one of these is the most stable in aqueous solution ?

The d-electron configurations of Cr^(2+), Mn^(2+), Fe^(2+) and Co^(2+) are d^4,d^5,d^6 and d^7 respectively. Which one of the following will exhibit minimum paramagnetic behaviour ? (At. nos. Cr = 24, Mn = 25, Fe = 26, Co = 27)

Write down the number of 3d electrons in each of the following ions: Tiz+, V2+, Cr3+, Mn2*, Fe2+, Fe3+, Co2+, Ni2+ and Cu2+. Indicate how would you expect the five 3d orbitals to be occupied for these hydrated ions (octahedral).

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. The number of electrons present in the 4f-subshell of Gd (Z = 64) is

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  2. Write the iupac name of the compound : Li[Al H4]

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  3. The number of paramagnetic ions among Ti^(3+), Cr^(3+), Ti^(4+), Fe^(2...

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  4. The magnetic moment of a transition metal ion is found to be 4.90 BM. ...

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  5. The oxidation number of Mn in the product of alkaline oxidative fusion...

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  6. In neutral or faintly alkaline solution, 8 moles of permanganate anion...

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  7. Electronic configuration of a transition element X in +3 oxidation s...

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  8. The electronic configuration of Cu (II) is 3d^9 whereas that of Cu (I)...

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  9. Complete the following:

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  10. Generally transition elements form coloured salts due to the presence ...

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  11. On addition of small amount of KMnO4 to concentrated H2SO4, a green oi...

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  12. The magnetic nature of elements depends on the presence of unpaired el...

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  13. Which of following oxidation state is common for all lanthanide ?

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  14. Which of the following reactions are disproportionation reactions ? (...

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  15. The commercial name of calcium sulphate is-

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  16. There are 14 elements in actinoid series. Which of the following eleme...

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

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  18. Which of the following is amphoteric oxide? Mn2O7, CrO3, Cr2O3, CrO, V...

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  19. Gadolinium belongs to 4f series. It’s atomic number is 64. Which of th...

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  20. Interstitial compounds are formed when small atoms are trapped inside ...

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