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which of the following are redox reactions

a. 2Na+2H2O-->2Naoh+H2
b. MgBr2+2NaF-->MgF2+2NaBr
c. 2CO+O2--> 2CO2
d. SO2+H2O--> H2SO3
For those reactions that are redox reactions:
Indicate which atoms get oxidized and which atoms get reduced.
Indicate which reactant is the oxidizing agent and which is the reducing agent.

2 answers

What is it you don't understand about these? I'm not a "do all your homework for you" person.
Reduction half-reaction for 2Li(s)+2H+(aq)→2Li+(aq)+H2(g).
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