Anhydrous ferric chloride is prepared by:

Heating hydrated ferric chloride at a high temperature in a stream of air.

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Heating metallic iron in a stream of dry chlorine gas.

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Reaction of ferric oxide with hydrochloric acid.

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Reaction of metallic iron with hydrochloric acid.

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Solution

The correct option is B
Heating metallic iron in a stream of dry chlorine gas.

In order to prepare, Anhydrous iron(III) chloride, we start with iron filings and heat it is a stream of dry chlorine gas.
The reaction for this process is as given below.
2 Fe(s) + 3 Cl₂(g) → 2 FeCl₃(s)

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Anhydrous ferric chloride is prepared by:

The correct option is B Heating metallic iron in a stream of dry chlorine gas. In order to prepare, Anhydrous iron(III) chloride, we start with iron filings and heat it is a stream of dry chlorine gas. The reaction for this process is as given below. 2 Fe(s) + 3 Cl2(g) → 2 FeCl3(s)

The correct option is B
Heating metallic iron in a stream of dry chlorine gas.

In order to prepare, Anhydrous iron(III) chloride, we start with iron filings and heat it is a stream of dry chlorine gas.
The reaction for this process is as given below.
2 Fe(s) + 3 Cl₂(g) → 2 FeCl₃(s)