When iron(ll) ammonium sulfate is dissolved in water, it disassociates into its

Question

When iron(ll) ammonium sulfate is dissolved in water, it disassociates into its component ions. Give the ions, including charges (ex: 2+, +, -, 2-) and phases, separated by commas. When oxalic acid is added, the iron(ll) ions precipitate as iron(ll) oxalate dehydrate. A hydrate is a compound with water molecules associated. indicated by a *xH20 after the compound formula, where x is the number of water molecules. Complete the following chemical reaction equation for this precipitation reaction. you will use hydrogen peroxide to oxidize iron(ll) to iron(lll). Complete the balanced chemical equation for this process.

Explanation / Answer

(1)

(NH4)2Fe(SO4)2 (s) dissociates in water as

2 NH4+1 (aq) & 1 Fe+2 (aq) & 2 (SO4)-2 (aq)

(2)

Fe2+(aq) + (COOH)2(aq) + 2H2O ----------> (COO)2Fe.2H2O(s) + 2H+(aq)

(3)

2FeC2O4*2H2O (s)+H2O2 (aq)+4C2O4^2- (aq) ===> 2[Fe(C2O4)3]^3- (aq)+2OH- + 4H2O

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