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Electronic configuration of a transition...

Electronic configuration of a transition element X in (+3) oxidation state is `[Ar]3d^(5)`. What is its atomic number?

A

25

B

26

C

27

D

24

Text Solution

Verified by Experts

The correct Answer is:
B
`X^(+3): [Ar] 3d^(5)`
`:. X = [Ar] 3d^(6) 4s^(2) rArr Z= 26`
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Knowledge Check

  • Electronic configuration of an element is 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(5) than what is atomic number of element which is situated bottom of this elements group ?

    A
    49
    B
    25
    C
    35
    D
    18

  • The electronic configuration of gadolinium (Atomic number 64) is

    A
    `[Xe]4f^(3)5d^(5)6s^(2)`
    B
    `[Xe]4f^(7)5d^(2)6s^(1)`
    C
    `[Xe]4f^(7)5d^(1)6s^(2)`
    D
    `[Xe]4f^(8)5d^(6)6s^(2)`

  • General electronic configuration of outermost orbit of d-block element is …

    A
    `(n -1) d^(1-10) ns^(1-2)`
    B
    `(n -1) d^(1-10) ns^(2)`
    C
    `(n -2) d^(1-10) ns^(2)`
    D
    `nd^(1-10) ns^(1-2)`

    • Similar Questions

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    In what way is the electronic configuration of the transition elements different from that of the non-transition elements?

    Of the following outer electronic configuration of atoms, the highest oxidation state is achieved by which one of them ?

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