Question:
Which of the following is not an example of redox reaction?
(i). CuO + H2→ Cu + H2O
(ii) Fe2O3 + 3CO → 2Fe + 3CO2
(iii) 2K + F2→ 2KF
(iv) BaCl2 + H2SO4→ BaSO4 + 2HCl
Solution:
Option (iv) BaCl2 + H2SO4→ BaSO4 + 2HCl is the answer.
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