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The correct ground state electronic conf...

The correct ground state electronic configuration of chromium atom(Z=24) is :

A

`[Ar]4d^(5)4s^(1)`

B

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

C

`[Ar]3d^(6)4s^(0)`

D

`[Ar]3d^(5) 4s^(1)`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The correct ground state electronic configuration of chromium atom is :

    A
    `[Ar]3d^(5)4s^(1)`
    B
    `[Ar]3d^(4)4s^(2)`
    C
    `[Ar]3d^(6)4s^(0)`
    D
    `[Ar]4d^(5)4s^(1)`

  • The electronic configuration of chromium (Z = 24) is

    A
    `1s^2 2s^2 2p^6 3s^2 3p^6 3d^4 4s^2`
    B
    `1s^2 2s^2 2p^6 3s^2 3p^6 3d^6 4s^1`
    C
    `1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 4p^4`
    D
    `1s^2 2s^2 2p^6 3s^2 3p^6 3d^6`

  • The electronic configuration of chromium (Z = 24) is

    A
    `1s^2 2s^2 2p^6 3s^2 3p^6 3d^4 4s^2`
    B
    `1s^2 2s^2 2p^6 3s^2 3p^6 3d^6 4s^1`
    C
    `1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 4p^4`
    D
    `1s^2 2s^2 2p^6 3s^2 3p^6 3d^6`
    • RESONANCE-D BLOCK ELEMENTS-EXERCISE-2 PART-II
    1. The correct ground state electronic configuration of chromium atom(Z=2...

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    2. Transition metals:

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    3. The radii (metallic) of Fe,CO and Ni are nearly same. This is due to...

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    4. Atomic of the transition elements than those of the s-block elements ...

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    5. Which of the following factor may be regarded as the main cause of lan...

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    6. Which of the following transition metal ions has the lowest density?

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    7. Of the ions Zn^(2+),Ni^(2+) and Cr^(3+) (atomic number Zn=30,Ni=28,Cr=...

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    8. Among the following pairs of ions the lower oxidation state in aqueous...

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    9. VO(2) is an amphoteric oxide and in acidic medium it form:

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    10. Which of the following transition metal shows the highest oxidation st...

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    11. Standard reduction electrode potential of Zn^(2+)//Zn is -0.76V. This ...

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    12. E^(Theta) value for the couple Cr^(3+)//Cr^(2+) and Mn^(3+)//Mn^(2+) a...

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    13. Which one of the following show highest magnetic moment?

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    14. Amongest the following the lowest degree of paramagnetism per mole of ...

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    15. Which one of the transittion metal ions is coloured in aqueous solutio...

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    16. Compound that is both paramagnetic and coloured is:

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    17. Which of the following is expected to be coloured?

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    18. Most transition metals:(I) Form sets of compounds which display differ...

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    19. The aqueous solution of the following salts will be coloured in the ca...

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    20. Which one of the following characteristics of the transition metals is...

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