What is ClO2? Important knowledge about ClO2.

  1. Definition of ClO2
    ClO2, also known as Chlorine dioxide, is a colorless gas at room temperature. The molecule consists of one chlorine atom and two oxygen atoms, arranged in a bent molecule with a valence angle of 117.5 degrees. In the ClO2 molecule, the chlorine atom is not electrically neutral, thus, ClO2 cannot exist in ion form.

  2. Properties of ClO2
    ClO2 is a colorless gas with a fairly strong smell similar to chlorine. At room temperature, it can easily evaporate. ClO2 does not form simple valence, therefore, it has strong oxidizing properties, and can react with many other substances.

  3. Common chemical equation of ClO2
    ClO2 is widely used in water treatment, and it can react with many metals and non-metals. However, we do not have specific examples for all three types of reactions.

  4. Synthesizing ClO2
    ClO2 is commonly synthesized in the laboratory through the reaction between hydrochloric acid (HCl) and sodium chlorite (NaClO2). In industry, ClO2 is usually produced through the reaction between iron(II) chloride and hydrochloric acid. However, we do not have specific examples for both types of reactions.

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