Questions
An ion bas the magnetic moment equal to 4.9 BM. The value of a is : (atomic no. of Mn = 25)
detailed solution
Correct option is A
The fact is,
;
n is the number of unpaired electrons in this instance.
This ion possesses 4 unpaired electrons, or .
electronically configured for have 5 unpaired electrons, hence in order to produce an ion with 4 unpaired electrons, it must let go of 3 electrons.
Therefore, choice A is the best one.
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