passwella.
Menu

JAMB Chemistry 1990 Question 25

Question 25

Redox Reactions

In the reaction IO3− + 5I− + 6H+ → 3I2 + 3H2O, the oxidizing agent is

  1. A.H+
  2. B.I−
  3. C.IO3−
  4. D.I2.
Show the answer and explanation

Answer: C (IO3−)

Explanation

Iodine in IO3− goes from +5 to 0, so IO3− is reduced; the substance that is reduced is the oxidizing agent.