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Following Hund's rule which element cont...

Following Hund's rule which element contains six unpaired electron

A

Fe

B

Co

C

Ni

D

Cr

Text Solution

Verified by Experts

The correct Answer is:
D
Electronic configuration of the `Cr_(24)` is `[Ar]4s^(1)3d^(5)` or
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ERRORLESS-STRUCTURE OF ATOM-NCERT BASED QUESTIONS (Quantum Number, Electronic Configuration and Shape of Orbitals)
  1. Which of the following sequence is correct as per Aufbau principle ?

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  2. Electron enters the sub-shell for which (n+l) value is minimum. This i...

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  3. Following Hund's rule which element contains six unpaired electron

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  4. The orbital diagram in which the Aufbau's principle is violated is

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  5. Which of the following principles/limits the maximum number of electro...

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  6. The correct ground state electronic configuration of chromium atom is ...

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  7. An element forms diatomic molecule with a triple bond. The configurati...

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  8. Electronic configuration of deuterium atom is

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  9. Electronic configurations of Cu ( Z = 29) is

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  10. Krypton (At. No 36) has the electronic configuraiton [Ar] 4s^(2)3d^(10...

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  11. Correct configuration of Fe^"+3" [26] is

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  12. What is the electronic configuration of Cu^(2+)(Z=29) of least positio...

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  13. Which one is the ground state

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  14. Which of the following electronic configurations is not possible

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  15. The outer electronic structure of 3s^2 3p^5 is possessed by

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  16. Which of the following electronic configuration is not possible accord...

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  17. Total number of unpaired electrons in an atom of atomic number 29 is

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  18. v41newFlow

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  19. Which of the following ions has the maximum number of unpaired d-elect...

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  20. Which of the following options does not represent ground state electr...

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