3MnO42−+4H+⟶2MnO4−+MnO2+2H2O
As we can see in this reaction oxidised product of reaction is MnO4− which has no unpaired electrons. So, magnetic moment will be zero.
Mn= no. of unpaired electrons is '0'
μ=0B.M
JEE Main 2022 — Chemistry Inorganic Chemistry
An acidified manganate solution undergoes disproportionation reaction. The spin-only magnetic moment value of the product having manganese in higher oxidation state is____B.M. (Nearest integer)
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