SO2与Cl2的漂泊原理不同.SO2是与有色物质结合生成不稳定的无色物质;Cl2是将色素氧化成无色物质.
SO2和Cl2都能使紫色石蕊试剂变色.原理是:SO2与水反应生成的亚硫酸使石蕊变红;Cl2与水反应生成HCl和HClO,石蕊先变红(酸使之变红),然后变成白色(HClO将石蕊氧化成白色).
so2和cl2的漂白原理相同吗?它能使紫色石蕊试液变色吗?为什么?
so2和cl2的漂白原理相同吗?它能使紫色石蕊试液变色吗?为什么?
化学人气:970 ℃时间:2019-10-23 06:26:47
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