What is the principle involved in the preparation of $F e C l_{3}$ ?

Direct combination

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Indirect combination

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Synthesis

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Neutralisation

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Solution

The correct options are
A Direct combination
B Synthesis
Iron(III) Chloride or $F e {C l}_{3}$ is a salt which is prepared by direct combination of iron and chlorine. This method is used in the synthesis of anhydrous Iron(III) Chloride.
$2 F e (h e a t e d) + 3 {C l}_{2} (d r y) \to 2 F e {C l}_{3}$
Hence, the answer is $A$ and $C$ both.

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