WBCS.LIVE practice question

Which one of the following is not an example of a redox reaction?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. AlCl₃ + 3H₂O → Al(OH)₃ + 3HCl
  2. 2NaH → 2Na + H₂
  3. 4Fe + 3O₂ → 2Fe₂O₃
  4. CuSO₄ + Zn → Cu + ZnSO₄

Correct answer and explanation

Correct answer: AlCl₃ + 3H₂O → Al(OH)₃ + 3HCl