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The electronic configurationo of Cu(II) ...

The electronic configurationo of Cu(II) is `3d^(9)` whereas that of Cu(I) is `3d^(10)`. Which of the following is correct ?

A

Cu (I) is more stable

B

Cu (II) is less stable

C

Cu (I) and Cu (II) are equally stable

D

Stability of Cu (I) and Cu (II) depends on nature of copper salts

Text Solution

Verified by Experts

The correct Answer is:
A
Cu (I) is more stable
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MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-NCERT FILE (EXEMPLAR PROBLEM (MULTIPLE CHOICE QUESTION TYPE -I))
  1. Electronic configuration of a transition element X in +3 oxidation sta...

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

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  3. Metallic radii of some transition elements are given below. Wh...

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  4. Generally transition elements from coloured salts due to the presence ...

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  5. On addition of small amoung of KMnO(4) to concentrated H(2)SO(4), a gr...

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

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  7. Which of the following oxidation state is common for all lanthanoids?

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  8. Which of the following reactions are disproportionation reactions ? ...

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  9. When KMnO(4) solution is added to oxalic acid solution , the decolouri...

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

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  11. KMnO(4) acts as an oxidising agent in acidic medium. The number of mol...

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  12. Which of the following is amphoteric oxide? Mn2O7 , CrO2 , Cr2O3, C...

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  13. Gadolinium belongs to 4f series. It's atomic number is 64. which of th...

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

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  15. The magnetic moment is associated with its spin angular momentum and o...

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  16. KMnO(4) acts as on oxidising agent in alkaline medium. When alkaline K...

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  17. Which of the following statements is not correct?

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  18. When acidified K(2)Cr(2)O(7) solution is added to Sn^(2+) salts then S...

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  19. Higher oxidation state of manganese in fluoride is +4 (MnF(4)) but hig...

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  20. Although zirconium belongs to 4d transition series and hafnium to 5d t...

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