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Which of the following d-block element h...

Which of the following d-block element has half - filled penultimate as well as valence subshell ?

A

Cu

B

Au

C

Ag

D

Cr

Text Solution

Verified by Experts

The correct Answer is:
D
`_24Crto1s^2 2s^2 2p^6 3 s^2 3 p^6underset("half-filled")ubrace(4s^1 3d^5)`
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NCERT FINGERTIPS-THE D- AND F- BLOCK ELEMENTS -General Properties Of The Transition Elements
  1. E(Mn^(3+)//Mn^(2+))^@is highly positive than that of E(Cr^(3+)//Cr^(2+...

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  2. The correct order of E(M^(2+)//M)^(@) Values with negative sign for th...

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  3. Which of the following d-block element has half - filled penultimate a...

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  4. Fe^(3+) compounds are more stable than Fe^(2+) compounds because

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  5. The salts of Cu in +1 oxidation state are unstable because

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  6. In which of the following pairs of ions, the higher oxidation state in...

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  7. CuSO4 is paramagnetic while ZnSO4 is diamagnetic because

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  8. Which of the following transition metal ions has highest magnetic mome...

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  9. Select the correct option, among Sc(III) , Ti(IV), Pd(II) and Cu(II) i...

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  10. The correct order of the number of unpaired electrons in the ions Cu^(...

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  11. Calculate the magnetic moment of a divalent ion in aqueous solution if...

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  12. Arrange the following in increasing value of magnetic moments. (i) ...

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  13. Which of the following statements is not correct about magnetic behav...

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  14. The number of unpaired electrons in gaseous species of Mn^(3+), Cr^(3+...

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  15. Which of the following arrangements represent the correct order of the...

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  16. Match the column I with column II and mark the appropriate choice.

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  17. Which of the following transition metal ions is colourless ?

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  18. Amongst TiF6^(2-), CoF6^(3-), Cu2Cl2" and " NiCl4^(2-), which are the ...

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  19. Which of the following compounds is not coloured ?

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  20. Compound that is both paramagnetic and coloured is:

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