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SO2是中学化学中常见的一种无色、有刺激性气味、有毒的气体,易液化(沸点是-10℃),易溶于水,其水溶液有酸性,SO2是亚硫酸的酸酐.SO2中的硫元素显+4价,处于
SO2 is a colorless, irritating and poisonous gas commonly found in middle school chemistry. It is easily liquefied (boiling point -10 ° C) and easily soluble in water. Its aqueous solution is acidic and SO2 is an anhydride of sulfurous acid. The sulfur element was +4 price, at