A) Its solution is unstable in acidic medium
B) Its small quantity added to cone. \[{{H}_{2}}S{{O}_{4}}\],a green coloured solution containing \[Mn{{O}_{3}}^{+}\] ion is formed
C) \[Mn{{O}_{4}}^{-}\]changes to \[M{{n}^{2+}}\] in basic solution
D) It is self-indicator in \[F{{e}^{2+}}\] or \[{{C}_{2}}{{O}_{4}}^{2-}\]titration
Correct Answer: C
Solution :
\[Mn{{O}_{4}}-\] changes to \[M{{n}^{6+}}\] in basic solution
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