Question 1
Complete and balance the following redox equation. The sum of the smallest whole-number coefficients is
Br
2→ BrO
3– + Br
– (basic solution)
◦ 9
◦ 12
◦ 18
◦ 21
◦ None of the above.
Question 2
Complete and balance the following redox equation. What is the coefficient of H
2O when the equation is balanced using the set of smallest whole-number coefficients?
MnO
4– + SO
32–→ Mn
2+ + SO
42– (acidic solution)
◦ 3
◦ 4
◦ 5
◦ 8
◦ None of these.