he ionic compound, tin(II) fluoride, is composed of which of the following pairs of ions?

Question

? 1 Sn4+ ion and 4 F- ions
? 1 Sn2+ ion and 1 F2- ion
? 1 Sn2+ ion and 2 F- ions
? 1 Sn4+ ion and 2 F2- ions
? 1 Sn4- ion and 2 F2+ ions

Answer 1

The ionic compound tin(II) fluoride is composed of 1 Sn²⁺ ion and 2 F⁻ ions.

This is because "tin(II)" indicates that tin has a +2 oxidation state (Sn²⁺), and fluoride (F) has a -1 charge (F⁻). To create a neutral compound, you need two fluoride ions to balance the +2 charge from one tin ion. Therefore, the correct pair of ions in tin(II) fluoride is:

1 Sn²⁺ ion and 2 F⁻ ions.