1.

When \[KMn{{O}_{4}}\] acts as an oxidising agent and ultimately forms \[{{[Mn{{O}_{4}}]}^{-2}},Mn{{O}_{2}},M{{n}_{2}}{{O}_{3}},M{{n}^{+2}}\], then the number of electrons transferred in each case respectively is

A. 4, 3, 1, 5          
B. 1, 5, 3, 7
C. 1, 3, 4, 5         
D. 3, 5, 7, 1
Answer» D. 3, 5, 7, 1


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