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The number of electrons involved in the reduction of nitrate ion to hydrazine is ........ |
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Answer» To BALANCE N atoms, multiple `NO_3^(-)` by 2,we have `2overset(+5)(NO_3^(-))rarroverset(-2)(N_2H_4)` `{:("Total O.N "= 2x×15 ,"Total O.N" = 2 xx -2),(=+10 ,=-4):}` To balance O.N. ADD `14e^(-) " to " ` L.H.S we have `2NO_(3)^(-)+ 14e^(-) rarr N_2H_4` |
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