Which of the following is an oxidation-reduction reaction?

By Megha Chandrashekar
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Which of the following are Oxidation-reduction reactions?

Which of the following is an oxidation-reduction reaction?

a. 2Mg + O2 β†’ 2MgO

b. MnO2 + 4HCl β†’ MnCl2 + 2H2O + Cl2

c. 2Na + Cl2 β†’ 2NaCl

d. 2NaBr + H2O β†’ 2NaOh + Br2

Option 4 : All of the above

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Megha Chandrashekar is a former Special Education Assistant who now spends her days running after her toddlers, all the while pursuing a freelance writing career