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Q.

If its atomic number is 25. The magnetic moment of a divalent ion in aqueous solution is ___ B.M.(to the nearest integer)

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answer is 6.

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Detailed Solution

At. No 25 in Mn. Configuration of Mn+2  is [Ar]3d5  it consists of 5 unpaired electrons μ=n(n+2)=5(5+2)=5.9BM   ≈6 BM

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