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the correct electronic configuration of ...

the correct electronic configuration of `Cu^(2+)` ion is

A

`[Ar] (3d)^8(4s)^1`

B

`[Ar] (3d)^7(4s)^2`

C

`[Ar] (3d)^9(4s)^0`

D

`[Ar] (3d)^10(4s)^0`

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-MOCK TEST 4-Example
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  2. in an atomic orbital the sign of lobes indicate the

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  3. the orbital diagram in which aufbau principal is violated is :

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  4. The energy of an electron in an atomic orbital of a multi electron ato...

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  5. d- orbital with maximum electron density along two axes will be

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  6. the correct electronic configuration of Cu^(2+) ion is

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  7. In a set of degenerate orbitals, the electrons distribute themselves t...

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  8. the ground state electronic configuration of chromium can be written a...

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  9. considering the electron of outermost orbital of CU match the items gi...

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  10. among the following series of transition metal ions, the one where all...

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  11. Among the following representations of excited states of atoms which i...

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  12. Out of the following the correct statement(s) is/are , (a) Number of s...

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  13. the number of d electrons in Co is equal to that of

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  14. which of the following sets of ions has the magnetic moment equal to s...

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  15. After filling of np orbital, the next orbital filled will be

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  16. The subshell that arlses after f subshell is called g subshell then t...

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  17. number of electrons present in M shell of an element with atomic numbe...

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  18. filling of electrons in p subshell of nitrogen is on the basis of

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  19. the number of electrons accommodated in an orbital with principal quan...

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  20. Which of the following given statements is/are incorrect- (a) there a...

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