MCQ
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)
- A$2$
- B$56$
- C$10$
- ✓$0$
✓
Answer
Correct option: D.
$0$
d
$3 MnO _{4}^{2-}+4 H ^{+} \longrightarrow 2 MnO _{4}^{-}+ MnO _{2}^{+7}+2 H _{2} O$
$3 MnO _{4}^{2-}+4 H ^{+} \longrightarrow 2 MnO _{4}^{-}+ MnO _{2}^{+7}+2 H _{2} O$
$Mn ^{+7}=$ no. of unpaired electrons is $' 0 '$
$\mu=0\, \text { B.M. }$
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