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An element has [Ar]3d' configuration in ...

An element has `[Ar]3d`' configuration in its `+2` oxidation state. Its position in the periodic table is

A

period -3, group -3

B

period-3,group -7

C

period-4,group-3

D

period-3,group-9

Text Solution

Verified by Experts

The correct Answer is:
C
Element electronic configuration in `+2` oxidation sate is `[Ar]3d^(1)=78+1+2=21`
The elements is scandium it belongs to 4th period nad 3rd group.
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Knowledge Check

  • The element which has no suitable position in the periodic table is

    A
    Hydrogen
    B
    Oxygen
    C
    Carbon
    D
    Nitrogen

  • The transition element that has stable configuration in +1 oxidation state is

    A
    Cu
    B
    Zn
    C
    Sc
    D
    Mn

  • Transition metal " X " has a configuration [Ar] 3d^(4) in its +3 oxidation state . The atomic number of the metal is

    A
    26
    B
    22
    C
    19
    D
    25

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