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Which of the following samples of reducing agents is /are chemically equivalent to 25mL of 0.2 N `KMnO_(4)` to be reduced to `Mn^(2+)` and water?A. 25 ml of 0.2 M `FeSO_4` to be oxidized to `Fe^(3+)`B. 50 ml of 0.1 M `H_3AsO_3` to be oxidized to `H_3AsO_4`C. 25 ml of 0.1 M `H_2O_2` to be oxidized to `H^+ and O_2`D. 25 ml of 0.1 M `SnCl_2` to be oxidized to `Sn^(4+)` |
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Answer» Correct Answer - A,D meq. Of `KMnO_4=25xx0.2=5` meq. Of `FeSO_4`=meq. Of `SnCl_2=5` hence (A) and (D) are correct |
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