Tin (II) chloride (anhydrous) can be obtained

Tin (IV) chloride (anhydrous) can be obtained

Tin (II) fluoride (anhydrous ) can be obtained by

Explain the following : (i). FeCl_3 and FeBr_3 are well known, but FeI_3 has doubtful existence. (ii). Anhydrous FeCl_3 cannot be obtained by heating hydrated ferric chloride.

From hydrated magnesium chloride, anhydrous magnesium chloride can be prepared by heating the hexahydrate in :

From hydrated magnesium chloride, anhydrous magnesium chloride can be prepared by heating the hexahydrate in :

Which process occurs in the electrolysis of an aqueous tin (II) chloride solution at a tin anode?