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Chemistry
Anhydrous ferric chloride is prepared by
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Q. Anhydrous ferric chloride is prepared by
WBJEE
WBJEE 2011
The d-and f-Block Elements
A
Dissolving $Fe(OH)_3$ in concentrated $HCl$
18%
B
Dissolving $Fe(OH)_3$ in dilute $HCl$
11%
C
Passing dry $HCl$ over heated iron scrap
11%
D
Passing dry $Cl_2$ gas over heated iron scrap
61%
Solution:
Anhydrous ferric chloride is prepared by passing dry $Cl_2$ gas over heated iron fillings.
$2Fe + 3Cl_2 \xrightarrow{\Delta}2FeCl_3$