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Problem: Which of the following is an oxidation-reduction reaction?a) Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)b) Pb(C2H3O2)2(aq) + 2NaCl(aq) → PbCl2(s) + 2NaC2H3O2(aq)c) NaI(aq) + AgNO3(aq) → AgI(s) + NaNO3(aq)d) HCl(aq) + LiOH(aq) → LiCl(aq) + H2O(l)e) All of the above are oxidation-reduction reactions.

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FREE Expert Solution

Check the change of oxidation states of each element in each reactions:

Loss                            Gain
Eelectron                    Eelctrons            
Oxidation                    Reduction

Oxidation-reduction (Redox) reaction - involves both oxidation and reductions

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Problem Details

Which of the following is an oxidation-reduction reaction?

a) Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)

b) Pb(C2H3O2)2(aq) + 2NaCl(aq) → PbCl2(s) + 2NaC2H3O2(aq)

c) NaI(aq) + AgNO3(aq) → AgI(s) + NaNO3(aq)

d) HCl(aq) + LiOH(aq) → LiCl(aq) + H2O(l)

e) All of the above are oxidation-reduction reactions.

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