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Considering H2O as a weak field ligand, ...

Considering `H_2O` as a weak field ligand, the number of unpaired electrons in `[Mn(H_2O)_6]^(2+)` will be (At. no. of `Mn=25`)

A

(a) `3`

B

(b) `2`

C

(c) `5`

D

(d) `4`

Text Solution

Verified by Experts

The correct Answer is:
C
`._(25)Mn: 3d^5, 4s^2`
`Mn^(2+): 3d^5`, i.e., 5 unpaired electrons because `H_2O` is weak field ligand and does not force to pairing.
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