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                 [AIEEE 2002]

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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