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This reaction gives the methanol solvate of the dichloride, which upon heating in a vacuum at about 160 °C converts to anhydrous FeCl 2. [4] The net reaction is shown: Fe + 2 HCl → FeCl 2 + H 2. FeBr 2 and FeI 2 can be prepared analogously. An alternative synthesis of anhydrous ferrous chloride is the reduction of FeCl 3 with chlorobenzene: [5]
The sulfate salt [Fe(bipy) 3]SO 4 is produced by combining ferrous sulfate with excess bipy in aqueous solution. This result illustrates the preference of Fe(II) for bipyridine vs water. Addition of cyanide to this solution precipitates solid Fe(bipy) 2 (CN) 2. [2]
2 FeCl 3 + Fe → 3 FeCl 2. A traditional synthesis of anhydrous ferrous chloride is the reduction of FeCl 3 with chlorobenzene: [25] 2 FeCl 3 + C 6 H 5 Cl → 2 FeCl 2 + C 6 H 4 Cl 2 + HCl. iron(III) chloride releases chlorine gas when heated above 160 °C, generating ferrous chloride: [16] 2FeCl 3 → 2FeCl 2 + Cl 2
Fe 0 + 2 H + → Fe 2+ + H 2. Iron(II) is oxidized by hydrogen peroxide to iron(III), forming a hydroxyl radical and a hydroxide ion in the process. This is the Fenton reaction. Iron(III) is then reduced back to iron(II) by another molecule of hydrogen peroxide, forming a hydroperoxyl radical and a proton.
The initial product contains HCl, which is removed by heating. Alternatively, (carbonato)bis(ethylenediamine)cobalt(III) chloride reacts with hydrochloric acid at 10 °C to give the same species. [1] [Co(CO 3)(en) 2]Cl + 2 HCl → trans-[CoCl 2 (en) 2]Cl + CO 2 + H 2 O UV-vis spectra of various stages in the conversion of trans-[CoCl 2 (en) 2 ...
cis-Dichlorobis(ethylenediamine)cobalt(III) chloride is a salt with the formula [CoCl 2 (en) 2]Cl (en = ethylenediamine). The salt consists of a cationic coordination complex and a chloride anion. It is a violet diamagnetic solid that is soluble in water.
chlorine peroxide, Cl 2 O 2, dimer of chlorine monoxide radical or ClO dimer, chlorine (I) peroxide chloryl chloride, ClO 2 Cl, chlorine (0,IV) oxide; chlorine chlorite, ClOClO, chlorine (I,III) oxide; dichlorine trioxide, Cl 2 O 3 as O−Cl−ClO 2, chlorine (III,V) oxide dichlorine trioxide, Cl 2 O 3 as possible isomer Cl−O−ClO 2 ...
Bis(cyclooctatetraene)iron is an organoiron compound with the formula Fe(C 8 H 8) 2, abbreviated Fe(COT) 2. It is an air-sensitive black solid that is soluble in diethyl ether and aromatic solvents. The compound decomposes in solution after a few days even under inert atmosphere. [2]