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A 1 litre solution containing equal models of FeO and `Fe_(0.8)O` was titrated with 70 ml 0.3 M `KMnO_4` in acidic medium. Millimoles `Fe^(3+)` production are
A. |
126 |
B. |
75 |
C. |
30 |
D. |
135 |
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