Balance the following equations by oxidation number method : {:((i),H_2S+HNO_3,rarr,H_2O+NO+S),((ii),""NH_3+O_3,rarr,NO+H_2O),((iii),Cu+HNO_3,rarr,Cu(NO_3)_2+NO+H_2O):}

Balance the following equations by oxidation number method : {:((i),H

1.	Balance the following equations by oxidation number method : {:((i),H_2S+HNO_3,rarr,H_2O+NO+S),((ii),""NH_3+O_3,rarr,NO+H_2O),((iii),Cu+HNO_3,rarr,Cu(NO_3)_2+NO+H_2O):}
Answer» ANSWER :(i) `3H_2S+2NHO_3 RARR 2NO+3S+4H_2O` (II) `""4NH_3+5O_2 rarr 4NO+3S+4H_2O` (III) `3Cu+8HNO_3 rarr 3Cu(NO_3)_2+2NO+4H_2O`