" Anhydrous ferric chloride is prepared by "

Anhydrous feric chloride is prepared by:

Anhydrous feric chloride is prepared by:

Anhydrous aluminium chloride is prepared by

Anhydrous aluminium chloride is prepared by

Explain : Anhydrous magnesium chloride is prepared by heating MgCl_2 . 6H_2O in a current of dry HCl gas.

Anhydrous mangesium chlroide is prepared by