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QJEEM22Ch9072: JEE Main 2022 Chemistry - Class 12 JEEM22Ch9072 Solution: An acidified manganate solution undergoes disproportionation…

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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amp;3MnO42−+4H+⟶2MnO4−+7+MnO2+4+2H2Oamp;Mn+7= no. of unpaired electrons is ’0’ amp;μ=0 B.M. \begin{aligned}& 3 \mathrm{MnO}_4^{2-}+4 \mathrm{H}^{+} \longrightarrow 2 \overset{+7}{\mathrm{MnO}_4^{-}}+\overset{+4}{\mathrm{MnO}_2}+2 \mathrm{H}_2 \mathrm{O} \\\\& \overset{+7}{\mathrm{Mn}}=\text { no. of unpaired electrons is '0' } \\\\& \mu=0 \text { B.M. }\end{aligned}

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