1. number method. Balance the following oxidation-reduction equations using the oxidation number method
a. HNO3 + HI ------> NO + I2 + H20
b. H2S + HNO3-------> S + NO + H2O
c. Ag + HI -------> NO HNO3 -----> S NO H2SO4 -----> Ag2804 + + H20 + H20 SO2 + H2
Answers & Comments
a. 2HNO3 + 6HI = 2NO + 3I2 + 4H2O
b. 3H2S + 2HNO3 = 3S + 2NO + 4H2O
c. Impossible Reaction
Elements - LHS - RHS
H - 2 - 2
N - 1 - 1
O - 3 - 2
I - 1 - 2
H - 2 - 2
N - 1 - 2
O - 3 - 3
I - 1 - 2