1.

Oxidation number of \[Mn\] in \[{{K}_{2}}Mn{{O}_{4}}\] and \[MnS{{O}_{4}}\] are respectively [CPMT 1997]

A.                 + 7, + 2 
B.                 + 6, + 2
C.                 + 5, + 2 
D.                 + 2, + 6
Answer» C.                 + 5, + 2 


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