The difference in the spinonly magnetic moment values of KMn

Question

The difference in the 'spin-only' magnetic moment values of KMnO_4 and the manganese product formed during titration of KMnO_4 against oxalic acid in acidic medium is ________ BM. (nearest integer)

DivineJEE · Accepted Answer

The 'spin-only' magnetic moment for Mn^7+ is 0 BM. During the titration of KMnO_4 with oxalic acid in an acidic medium, manganese is reduced to Mn^2+, which has a 'spin-only' magnetic moment of 5.91 BM. Thus, the difference in magnetic moment values is calculated as follows: 0 BM (for Mn^7+) subtracted from 5.91 BM (for Mn^2+), which results in 5.91 BM. Rounding this to the nearest integer, we get a difference of approximately 6 BM.

Explanation

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