2VOCl2 + H[SnCl3] + 5HCl → 2VCl3 + H2[SnCl6] + 2H2O
Vanadium dichloride oxide react with trichloridostannate hydrogen(II) and hydrogen chloride to produce vanadium(III) chloride, hydrogen hexachloridostannate(IV) and water. Hydrogen chloride - concentrated solution.