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Which of the following ions has the leas...

Which of the following ions has the least magnetic moment?

A

`Cu^(2+)`

B

`Ni^(2+)`

C

`Co^(3+)`

D

`Fe^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
A

Magnetic moment `(m)= sqrt(n(n + 2))BM`
where, n=number of unpaired electrons
`:. Cu^(2+)` has only one unpaired electron
`:. Cu^(2+)` has least magnetic moment.
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Knowledge Check

  • Which of the following ions has the highest magnetic moment

    A
    `Ti^(3+)`
    B
    `Sc^(3+)`
    C
    `Mn^(2+)`
    D
    `Zn^(2+)`

  • Which of the following ions has the highest magnetic moent ?

    A
    ` Mn^(3+)`
    B
    `Zn^(2+)`
    C
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    D
    `Ti^(3+)`

  • Which one of the following has the least magnetic moment?

    A
    `Cu^(2+)`
    B
    `Ni^(2+)`
    C
    `Co^(2+)`
    D
    `Fe^(2+)`

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