Which of the following is NOT a redox reaction?
-
A.
2HNO2 + 2HI → 2H2O + 2NO + I2 -
B.
Zn + H2SO4 → ZnSO4 + H2 -
C.
Ca(HCO3)2 → CaCO3 + H2O + CO2 -
D.
4FeO + O2 → 2Fe2O3 -
E.
2Na + Cl2 → 2NaCl
Correct Answer: Option C
Explanation
Ca(HCO2) → CaCO3 + H2O + CO2 is not a redox reaction