Question

Balance the following redox equations and show work:

a) Br₂ + SO₂ + H₂O ----------> H⁺ + Br ^- + SO₄^2-

b) Al + [Sn(OH)₄]^-2 ----------> [Al(OH)₄ ]^- + Sn + OH^-

c) H₂S + H₂O₂ -----------------> S + H₂O

d) OH ^- + NO₂ ----------------> NO₃^- + NO₂^- + H₂O

e) C + HNO₃ ----------> NO₂ + H₂O + CO₂