Sodium Chlorite (NaClO2) can be converted to chlorine dioxide (ClO2) through a chemical reaction. This process typically involves an acid, such as hydrochloric acid (HCl), which reacts with sodium chlorite to produce chlorine dioxide gas.

The reaction can be represented as follows:

NaClO2 + HCl —-ClO2 + NaCl + H2O

In this reaction, sodium chlorite reacts with hydrochloric acid to yield chlorine dioxide, sodium chloride (table salt), and water.

It’s important to note that chlorine dioxide is a potent oxidizing agent and should be handled with care, following appropriate safety protocols. Additionally, the production of chlorine dioxide should be conducted in a controlled environment, as it can be hazardous.