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InterviewSolution
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`MnO_(4)^(-)` oxidizes (i) oxalate ion in acidic medium at 333 K and (ii) HCl. For balanced chemical equations, the rations `[MnO_(4)^(-) : C_(2)O_(4)^(2-)]` in (i) and `[MnO_(4)^(-) : HCl]` in (ii), respectively, are -A. 1 : 5 and 2 : 5B. 2 : 5 and 1 : 8C. 2 : 3 and 1 : 5D. 5 : 2 and 1 : 8 |
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Answer» Correct Answer - B `16H^(+)+2MnO_(4)^(-)+5C_(2)O_(4)^(2-) rarr 2Mn^(+2)+10CO_(2)+8H_(2)O` `MnO_(4)^(-) : C_(2)O_(4)^(2-) = 2: 5` `2KMnO_(4)+16 HCl rarr 2KCl+2MnCl_(2)+5Cl_(2)+8H_(2)O` `MnO_(4)^(-) : HCl =2 : 16 = 1 : 8` |
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