1.

Consider the followinh reaction of permaganate ions. `10^(-)+2MnO_(4)^(-)+16H^(+)rarr2Mn^(2+)8H_(2)O+5l_(2)` (II) `5Fe^(2+)+MnO_(4)^(-)+8H^(+)rarrMn^(2+)+4H_(2)O+5Fe^(3+)``5NO^(2+)+2MnO_(4)^(-)+6H^(+)rarr2Mn^(2+)+5NO_(3)^(-)+3H_(2)O` `2MnO_(4)^(-)+3Mn^(2+)+2H_(2)Orarr5MnO_(2)+4H+``5NO^(2+)+2MnO_(4)^(-)+6H^(+)rarr2Mn^(2+)+5NO_(3)^(-)+3H_(2)O` `2MnO_(4)^(-)+3Mn^(2+)+2H_(2)Orarr5MnO_(2)+4H+``5NO^(2+)+2MnO_(4)^(-)+6H^(+)rarr2Mn^(2+)+5NO_(3)^(-)+3H_(2)O` (III) `2MnO_(4)^(-)+3Mn^(2+)+2H_(2)Orarr5MnO_(2)+4H+` In the above reaction, Which reaction occur in acidic solution?A. I and IIB. II and IIIC. III,II and ID. IV and II

Answer» Correct Answer - C
Reactions occur in acidic solution are
`10l^(-)+2MnO_(4)^(-)+16H^(+)rarr2Mn^(2+)+8H_(2)O+5l_(2)`
`5Fe^(2+)+MnO_(4)^(-)+8H^(+)rarrMn^(2+)+4H_(2)O+5Fe^(3+)`
`5NO_(2)^(-)+2MnO_(4)^(-)+6H^(+)rarr2Mn^(2+)5NO_(3)^(-)+3H_(2)O`


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