Asked by julie

Which of the following reactions are redox reactions?
1. Al(s)+3Ag^+(aq)-->Al^3+(aq)+3Ag(s)
2. SO3(g)+H2O(l)-->H2SO4(aq)
3. Ba(s)+Cl2(g)-->BaCl2(s)
4. Mg(s)+Br2(l)-->MgBr2(s)
Answered by DrBob222
Determine the oxidation state of each element on both sides of the equation. Those that change oxidation state are either oxidized or reduced.
Answered by Brenda
134 are redox
Answered by Cand
1,3,4
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