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JAMB Chemistry 2014 Question 23

Question 23

Redox Reactions

H2O(g) + C(s) → H2(g) + CO(g)
The oxidizing agent in the reaction above is

  1. A.CO(g)
  2. B.C(s)
  3. C.H2O(g)
  4. D.H2(g)
Show the answer and explanation

Answer: C (H2O(g))

Explanation

Steam gives its oxygen to carbon (hydrogen goes from +1 to 0), so water is reduced and is the oxidizing agent.