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Balance the chemical reaction : (i) overset(+7)MnO_(4)^(-) + 3H_(2) overset(-2)O overset("noutral medium") to overset(+4)MnO_(2) + overset(0)O_(2) (ii)Write the balanced equation when ferrous sulphate is treated with acidified (H_(2)SO_(4)) potassium permanganate . (iii) Balance the equation MnO_(4) + C_(2)O_(4) + H^(+) toCO_(2) + Mn^(+2) + H_(2)O (iv) Balance the equation K_(2)Cr_(2)O_(7) + HCl to KCl + CrCl_(3) + H_(2)O + Cl_(2) |
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Answer» Solution :(i) ` 2MnO_(4)^(-) + 3H_(2)O to 2MnO_(2) + 3O_(2) + 2OH^(-) + 2H_(2)O` (II) `10 FeSO_(4) + 2KMnO_(4) + 8H_(2)SO_(4) to 5Fe_(2)(SO_(4))_(3) + 2MnSO_(4) + K_(2)SO_(4) + H_(2)O` (iii) `2MnO_(4)^(-) + 5C_(2)O_(4)^(2-) + 16H^(+) to 2MN^(2+) + 10CO_(2) + 8H_(2)O` (iv) ` K_(2)Cr_(2)O_(7) + 14HCl to 2KCL + 2CrCl_(3) + 7H_(2)O + 3Cl_(2)` |
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