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प्रश्न
The disproportionation of \[\ce{MnO^{2-}_4}\] in acidic medium resulted in the formation of two manganese compounds A and B. If the oxidation state of Mn in B is smaller than that of A, then the spin-only magnetic moment (µ) value of B in BM is ______. (Nearest integer)
विकल्प
6
4
7
9
MCQ
रिक्त स्थान भरें
उत्तर
The disproportionation of \[\ce{MnO^{2-}_4}\] in acidic medium resulted in the formation of two manganese compounds A and B. If the oxidation state of Mn in B is smaller than that of A, then the spin-only magnetic moment (µ) value of B in BM is 4.
Explanation:
\[\ce{MnO^{2-}_4 ->[H+] MnO^-_2 + MnO2}\]
No. of unpaired e-(n) = 3
`therefore mu = sqrt("n"("n + 2")) = sqrt15 = 3.877` B. M. ≈ 4 B. M.
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