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Final answer:The correctchemicalformulafor tin(IV) cyanide is Sn(CN)4, which is determined by the oxidation number of tin and the charge of the cyanide ion.Explanation:The correct chemical formula for tin(IV) cyanide isSn(CN)4. TheRomannumeralIV in the name of the compound indicates that tin has an oxidation number of +4.Eachcyanideion has a charge of -1, so four cyanide ions (CN-) are needed to balance out the +4 charge of the tin (Sn) ion, resulting in the formula Sn(CN)4. This method can be applied to calculating chemical formulas of other compounds as well.Learn more about Chemical Formula here:brainly.com/question/35157423#SPJ11...