what is the formula for tin (ii) bromite?
The Correct Answer and Explanation is :
The formula for tin(II) bromite is Sn(BrO₂)₂.
Explanation:
- Tin(II): The Roman numeral “II” in the name indicates the oxidation state of tin (Sn). In this case, tin is in the +2 oxidation state, meaning it has lost two electrons. The element tin can form two common oxidation states: +2 (tin(II)) and +4 (tin(IV)).
- Bromite: The suffix “ite” refers to the bromite ion, which is derived from the bromine atom and contains oxygen. The bromite ion has the formula BrO₂⁻, indicating it consists of one bromine (Br) atom and two oxygen (O) atoms, with a -1 charge.
- Combining the ions:
- Since tin(II) has a charge of +2 and the bromite ion has a charge of -1, we need two bromite ions to balance the charge of one tin(II) ion.
- To make the compound neutral, two bromite ions (each with a charge of -1) are needed to balance the +2 charge of tin(II), resulting in the formula Sn(BrO₂)₂.
- Ionic Compound Structure: Tin(II) bromite, Sn(BrO₂)₂, is an ionic compound formed from the tin cation (Sn²⁺) and two bromite anions (BrO₂⁻). The positive charge on tin and the negative charge on the bromite ions balance each other, ensuring the compound is electrically neutral.
In summary, the formula for tin(II) bromite is Sn(BrO₂)₂ because the tin cation has a +2 charge and the bromite anion has a -1 charge, requiring two bromite ions to balance the charges and form a neutral compound.