Q. Anhydrous ferric chloride is prepared by
A) Dissolving $Fe(OH)_{3}$ in concentrated $HCl$.
B) Dissolving $Fe(OH)_{3}$ in dilute $HCl$.
C) Passing dry $HCl$ over heated iron scrap.
D) Passing dry ${Cl}_{2}$ gas over heated iron scrap.
Explanation
(d)
$2Fe + 3{Cl}_{2}\ \overset{\mathrm{\Delta}}{\rightarrow}\ 2{FeCl}_{3}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.