Question

Preparation Of FeCl3

Answer 1

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Preparation Of Iron (III) Chloride

Method of preparation -:
Synthesis i.e. direct combination of elements

Procedure -:
#1 Take some powdered iron in a combustion tube

#2 Pass dry chlorine gas through the combustion tube

#3 The air inside the apparatus is expelled

#4 Since the reaction is exothermic, Iron becomes red hot and now the external heating is stopped

#5 Iron (III) Chloride is formed that volatilizes and condenses in the receiver as brown scale

Reaction -:
2Fe + 3Cl2 ==> 2FeCl3

Iron (III) Chloride is highly deliquescent and thus is kept dry with rge help if fused calcium chloride, a drying agent.

NOTE -:
Anhydrous FeCl3 can't be prepared by simply heating the hydrated Ferric Chloride FeCl3.6H2O , because in heating FeCl3.6H2O produces Fe2O3.H2O & HCl.