Problem: Which one of the following is not a redox reaction?A. CaCO3 → CaO + CO2B. 2 H2 + O2 → 2 H2OC. Na + H2O → NaOH + 1/2 H2D. MnCl2 → MnCl2 + 1/2 Cl2

FREE Expert Solution

For Redox reactions, oxidation and reduction both occur in a reaction:

Recall the mnemonics LEO GER.

Lose               Gain

Electron         Electrons

Oxidation       Reduction

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Problem Details

Which one of the following is not a redox reaction?

A. CaCO3 → CaO + CO2

B. 2 H2 + O2 → 2 H2O

C. Na + H2O → NaOH + 1/2 H2

D. MnCl2 → MnCl2 + 1/2 Cl2

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