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The electronic configuration of copper i...

The electronic configuration of copper is

A

`[Ar}3d^94s^2`

B

`[Ar]3d^(10)4s^1`

C

`[Ar}3d^84s^2`

D

`[Ar]3d^(10)4S^2`

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CHETANA PUBLICATION-Transition and Inner Transition Elements-EXERCISE
  1. Which of the following has the lowest melting point?V,Cr,Fe,Mn

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  2. Which of the following has the highest magnetic moment?

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  3. The electronic configuration of copper is

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  4. Which of the following ions does not give coloured solution?

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  5. Which of the following ions has the highest magnetic moment?

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  6. Which of the following is paramagnetic?

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  7. Which of the following does not belong to group 10?

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  8. The stable oxidation state of cerium is

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  9. The highest oxidation state shown by mangenee in its compounds is

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  10. Which of the following has maximum number of unpaired electrons?

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  11. Which of the following elements belong to the second transition Mo,W,C...

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  12. Which of the following ions are white?

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  13. Which of the following is an incorrect statement in logic ?

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  14. Which of the following is the purest form of iron?

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  15. Bronze is an alloy as

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  16. Copper and zinc metals are found in ……….alloy

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  17. ………..is used in making statues, medals and trophies

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  18. ……….is used to manufacture of steel

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  19. ………..is used as catalyst for oxidation of SO2 to SO3 in contact proces...

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  20. ........ is used to convert inedible oils into solid fat for productio...

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