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Which is highly coloured due to inter v...

Which is highly coloured due to inter valence electron transfer transitions?

A

`FeO`

B

`Cr_(2)O_(3)`

C

`Fe_(3)O_(4)`

D

`CuO`

Text Solution

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The correct Answer is:
C
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NARAYNA-D BLOCK & TRANSITION ELEMENTS-Level-I (H.W)
  1. The colour of transition metal ion is attributed to:

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  2. Which one of the following pairs is coloured

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

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

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

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

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  7. The catalyst used in the polymerisation of ethylene is

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

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

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  10. The following species is repelled by a magnetic field

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  11. The following is not a ferromagnetic

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

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

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

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

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  16. Which is not an interstitial compound?

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  17. The metal that forms interstitial nitride is

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  18. The common metal present in german silver, bell metal and brass is

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  19. Which of the following is an alloy of a metal and a non-metal

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  20. The alloy that is used for making permanent

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