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Out of Co^(2+), Zn^(2+) and Cu^+(2+) whi...

Out of `Co^(2+)`, `Zn^(2+)` and `Cu^+(2+) which will give aqueous coloured solution ?

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Out of the ions Ni^(2+) , Zn^(2+) and Cu^2+) , which will give coloured aqueous solution and what will be the magnetic beghaviour of each ion ? (Atomic number of Ni = 28, Zn =30 and Cu = 29).

Out of the ions Ag^+ , Co^(2+) and Ti^(4+) which will give coloured aqueous solution and what will be the magnetic behaviour of each ion ? (Atomic number of Ag = 47, Co = 27 and Ti = 22).

Out of ions Co^(2+) ,Cr^(3+), ( Sc^(3+) which will give coloured aqueous solution and what will be the magnetic behaviour of each ion ? (Atomic number of Co = 27, Sc = 21 and Cr = 24).

Out of Co^(2+) and Zn^(2+) which will be paramagnetic and why ?

Out of Cu^(2+) and Cu^(+) ion, which one is colourless and why?

HgCl_2 and SnCl_2 cannot exist in aqueous solution. Why ?

Out of Ag^+ and Co^(2+) which one will be coloured and why? (Atomic number of Ag is, 47 and Co is 27).

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Which of the following ions does not give coloured solution ?

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Out of Co^(2+), Zn^(2+) and Cu^+(2+) which will give aqueous coloured ...

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  2. Name the third and fourth transition elements of first transition seri...

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

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  4. Which of the two Zn(+2) or V(+4) is diamagnetic ?

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  5. Which out of the following ions would form coloured complexes : Ni^(2+...

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  6. How many unpaired electrons are present in each of the following ? Fe^...

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  7. Out of V^(2+) and V^(3+) which is more paramagnetic and why ?

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  8. Calculate the magnetic moment of Fe^(2+) ion (Z = 26).

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  9. Name and write electronic configuration first three elements of second...

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  10. Why Zn^(2+) salts are colourless and Ni2+ salts are coloured?

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  11. A compound has been found to have magnetic moment of 3.9 B.M. How many...

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  12. Name the catalyst of Vanadium used for oxidation of SO2 to SO3 in cont...

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  13. Give reason, Mn^(2+) ion is more paramagnetic than Fe^(2+) ion.

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  14. Express 1312 in roman numbers.

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  15. Express 1313 in roman numbers.

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  16. Express 1315 in roman numbers.

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  17. Express 1320 in roman numbers.

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  18. One day is equal to ............... seconds.

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  19. Write ionic equation showing KMnO4 acting as an oxidising agent in aci...

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  20. The oxidation state of chromium in dichromate ion (Cr2O7^(2-)) and chr...

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  21. What is the oxidation state of Mn is manganate ion.

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