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Cuprous ion is colourless, while cupric ...

Cuprous ion is colourless, while cupric ion is colured because

A

Cuprous ion has completed d-orbitals while Cupric ion has incomplete d-orbitals

B

Curpose ion has exactly half-filled `'d'` orbitals

C

Cupric ion has completely filled `'d'` orbitals, while Curpose ion has incompletely filled `'d'` orbitals

D

Cupric ions has half-filled d-orbitals

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The correct Answer is:
A
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NARAYNA-D BLOCK & TRANSITION ELEMENTS-Level-I (H.W)
  1. The correct order of atomic sizes is

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  2. Which of the following cation is colourless in its aqueous solution

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  3. Cuprous ion is colourless, while cupric ion is colured because

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  4. Which of the folllowing pairs of ions are coloureless

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  5. Colour of ferrous ion is

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  6. The colour of transition metal ion is attributed to:

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  7. Which one of the following pairs is coloured

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  8. Which is highly coloured due to inter valence electron transfer trans...

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  9. Amongst [TiE(6)]^(2-), [CoF(6)]^(3-), Cu(2)Cl(2) and [NiCl(4)]^(2-) [A...

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  10. Which of the following compounds ar coloured substances? I-Ag(2)CO(3...

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  11. the catalyst used in the hydrogenation of oils is :

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  12. The catalyst used in the polymerisation of ethylene is

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  13. Which of the following is not responsible for the catalytical activity...

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  14. Which of the following pair of transition metal ions, have the same ca...

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  15. The following species is repelled by a magnetic field

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  16. The following is not a ferromagnetic

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  17. In the calcultion of magnetic moment. The orbital magnetic moment cont...

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  18. A compound of metal ion M^(x+) (z=25) has spin only magnetic moment o...

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  19. The magnetic moment of two ions M^(x+) and M^(y+) of the element M(Z=2...

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  20. The magnetic moment of ion is close to 36 xx 10^(-24) "joule"//"Tesla"...

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