What is the correct formula unit for the ionic compound, stannous chloride?

? SnCl2
? SnCl4
? Sn4Cl
? Sn2Cl
? Sn2Cl2

1 answer

The correct formula unit for stannous chloride is SnCl₂.

Stannous chloride is the compound formed by tin (Sn) in the +2 oxidation state (stannous) and chloride ions (Cl). Each tin atom is balanced by two chloride ions, leading to the formula SnCl₂.