1.

Balance the following equations by oxidation number method Cu+HNO_(3)rarrCu(NO_(3))_(2)+NO_(2)+H_(2)O

Answer»

SOLUTION :`underset(2e^(-))underset(DARR)overset(0)(Cu)+underset(1E^(-))underset(uarr)overset(+5)(HNO_(3))rarrCoverset(+2)u(NO_(3))_(2)+overset(+4)(N)O_(2)+H_(2)O`
`Cu+2HNO_(3)rarrCu(NO_(3))_(2)+NO_(2)+H_(2)O`
`Cu+2HNO_(3)+2HNO_(3)rarrCu(NO_(3))_(2)+`
`2NO_(2)+2H_(2)O`
`Cu+4HNO_(3)rarrCu(NO_(3))_(2)+2NO_(2)+2H_(2)O`


Discussion

No Comment Found