A) 3, 5, 4 and 1
B) 4, 3, 1 and 5
C) 1, 3, 4 and 5
D) 5, 4, 3 and 1
Correct Answer: A
Solution :
\[KMn{{O}_{4}}\] | \[Mn{{O}_{2}}\] | \[M{{n}^{2+}}\] | \[Mn{{\left( OH \right)}_{3}}\] | \[MnO_{4}^{2-}\] | |
O.S. of Mn | +7 | +4 | +2 | +3 | +6 |
Electrons needed | 0 | 3 | 5 | 4 | 1 |
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