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JAMB Chemistry 2013 Question 22

Question 22

Redox Reactions

2H2O(l) + 2F2(g) → 4HF(aq) + O2(g)
In the reaction above, the substance that is being reduced is

  1. A.O2(g)
  2. B.H2O(l)
  3. C.F2(g)
  4. D.HF(aq)
Show the answer and explanation

Answer: C (F2(g))

Explanation

Fluorine goes from 0 in F2 to −1 in HF: it gains electrons, so it is reduced.