The most usual reaction is Fe + PbSO4 => FeSO4 + Pb. This reaction can be called "displacement", "single displacement", or "electromotive displacement", and in all of the names previously given, "displacement" could be replaced by "replacement".
The reaction between PbSO4 and Fe is a single displacement reaction, also known as a single replacement reaction. In this reaction, the iron (Fe) displaces the lead (Pb) from the lead(II) sulfate (PbSO4) to form iron(II) sulfate (FeSO4) and lead.
The reaction is:Fe + PbSO4 = Pb + FeSO4
A. Fe^2+ ==> Fe^3+ + e- is an oxidation reactionB. Fe^3+ +e- ==> Fe^2+ is a reduction reactionC. Fe(s) ==> Fe(l) is neither an oxidation nor a reduction reaction. It is a phase change.D. Fe + 2e- ==> Fe^2+ is not a possible reaction.
Fe + 3AgNO3 ==> Fe(NO3)3 plus 3Ag The oxidation number of Ag in AgNO3 (on the left side) is 1+ and in Ag (on the right side), it is zero. Thus, in this reaction, silver (Ag) has been reduced.
The balanced chemical equation for the reaction is: 3FeO4 + 8Al -> 4Al2O3 + 3Fe Therefore, the coefficient of Fe is 3.
Displacement reaction , as HCl displaces S of FeS to give H2S
The reaction is:Fe + PbSO4 = Pb + FeSO4
The chemical reaction is:Pb(NO3)2 + Fe SO4 = PbSO4(s) + Fe(NO3)2
single replacement
A. Fe^2+ ==> Fe^3+ + e- is an oxidation reactionB. Fe^3+ +e- ==> Fe^2+ is a reduction reactionC. Fe(s) ==> Fe(l) is neither an oxidation nor a reduction reaction. It is a phase change.D. Fe + 2e- ==> Fe^2+ is not a possible reaction.
Ag+
Fe
Any reaction occur.
4Fe + 3O2 = 2Fe2O3 in the presence of water.
Fe + 3AgNO3 ==> Fe(NO3)3 plus 3Ag The oxidation number of Ag in AgNO3 (on the left side) is 1+ and in Ag (on the right side), it is zero. Thus, in this reaction, silver (Ag) has been reduced.
The ferrous oxide is the oxdant.
H2O + Fe(PO4)
Iron reduce silver cations.