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The "spin-only" magnetic moment [in uni...

The "spin-only" magnetic moment [in units of Bohr magneton, `(mu_B)`] or `Ni^(2+)` in aqueous solution would be :
(At no. `Ni = 28`).

A

3.84

B

2.84

C

8.24

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
B
`Ni^(2+) : [Ar] 3d^8`
it has two unpaired electrons.
Spin only magnetic moment `(muB) =nsqrt(n(n+2)muB) = sqrt(2(2+2))` =2.83 BM
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