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Balance the following equation in acidic medium by boht oxidation numbr and ion electron methods nad identify the oxidatns and the reductants (i) MnO_(4)^(-)(aq)+C_(2)H_(2)O_(4)(aq) to Mn^(2+)(aq)+CO_(2)(g)+H_(2)O(l) (ii) H_(2)S(aq)+CI_(2)(g) to S(s)+CI^(-)(aq) (iii)MnO_(4)^(-)(aq)+C_(2)H_(5)OH(aq) to Mn^(2+)(aq)+CH_(3)COOH(aq) (iv)Bi(s)+NO_(3)^(-)(aq) to Bi^(3+)(aq)+NO_(2)(g) (v)Cr_(2)O_(7)^(2-)(aq)+c_(2)H_(4)O(aq)to Cr^(3+)(aq)+C_(2)H_(4)O_(2)(aq) (vi)MnO_(4)^(-)(q)+Br^(-)(aq) to Mn^(2+)(q)+Br_(2)(aq) (vii)Cu(Aq)+NO_(3)^(-)(aq) to Cu^(2+)(aq)+NO_(2)(g) (viii)H_(2)S(g)+Fe^(3+)(aq) to Fe^(2+)(aq)+S(s)+H^(+)(aq) (ix)I^(-)(aq)+O_(2)(g)+H_(2)O(l) to I_(2)(aq)+(OH)^(-)(aq) (x)Zn(s)+NO_(3)^(-)(aq)+H^(+)(aq) to Zn^(2)(aq)+N_(2)O(g)+H_(2)O(l) (xi) As(s)+NO_(3)^(-)(aq)+H^(+)(aq) to AsO_(3)^(3-)(aq)+NO_(2)(g)+H_(2)O(l) (xii)MnO_(4)^(-)(aq)+Fe^(2+)(aq) to Mn^(2+)(aq)+Fe^(3)(aq) (xiii)S+HNO_(3) to SO_(2)+NO_(2)+H_(2)O |
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Answer» Solution :(i)`2MnO_(4)^(-)(AQ)+6 H^(+)(aq)+5C_(2)H_(2)O_(4)(aq)rarr2Mn^(2+)(aq)+10CO_(2)(g)+8H_(2)O(l)` (ii) `H_(2)S(aq)+CCI^(-)(aq)+2H^(+)(aq)` (iii)`4MnO_(4)^(-)(aq)+5C_(2)H_(5)OH(aQ)+12H^(+)(aq)rarr4Mn^(2+)+5CH_(3)COOH(aq)+11H_(2)O(l)` (iv)`Bi(s)+3NO_(3)^(-)(aq)+3C_(2)H_(4)(aq)+8H^(+)(aq)rarrBi^(3+)(aq)+3NO_(2)(g)+2H_(2)O(l)` `(v)Cr_(2)O_(7)^(2-)(aq)+3C_(2)H_(4)O(aq)+8H^(+)(aq)rarr2 Cr^(3+)(aq)+3 C_(2)H_(4)O_(2)(aq)+4H_(2)O(l)` (vi) `2MnO_(4)^(-)(aq)+10 Br^(-)(aq)+16 H^(+)(aq)rarr2Mn^(2+)(aq)+5Br_(2)(aq)+8H_(2)O(l)` (vii)`Cu(s)+2NO_(3)^(-)(aq)rarrCu^(2+)(aQ)+2NO_(2)(g)+2H_(2)O(l)` (viii)`H_(2)S(g)+2Fe^(3+)(aQ)rarr2Fe^(2+)(aq)+S(s)+2H^(+)(aq)` (ix)`5I^(-)(aQ)+IO_(3)^(-)(aq)+6H^(+)(aq)rarr3I_(2)(aQ)+3H_(2)(l)` (x)`4I^(-)(aQ)+O_(2)(g)+2H_(2)O(l)rarr2I_(2)(aq)+4OH^(-)(aq)` (XII)`4Sn(s)+2NO_(3)^(-)(aq)+10H^(+)(aq)rarr4Sn^(2+)+NH_(4)^(+)(aq)+3H_(2)O(l)` (XIII)`3Cu(s)+2NO_(3)^(-)(aq)+58 H^(+)(aq)rarr3Cu^(2+)(aq)+2NO(g)+5H_(2)O(l)` (xv)`Sn(s)+4NO_(3)^(-)(aq)+2H^(+)(aq)rarrSnO_(3)^(2-)(aq)+4NO_(2)(g)+5H_(2)O(l)` (xvi)As`(s)+5NO_(3)^(-)(aq)+2H^(+)(aq)rarrAsO_(4)^(3-)(aq)+5NO_(2)(g)+H_(2)O(l)` (xviii)`MnO_(4)^(-)(aq)+5Fe^(2+)(aq)+8H^(+)(aq)(rarrMn^(+)(aq)+5Fe^(3+)(aq)+4H_(2)O(l)` (xix)`S+4HNO_(3)rarrSO_(22)+4NO_(2)+2H_(2)O` |
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