以下常用有机磷农药中哪种为结晶体,遇碱毒性会增大A.乐果 B.对硫磷 C.内吸磷 D.敌百虫 E.马拉硫磷

作者: tihaiku 人气: - 评论: 0
问题 以下常用有机磷农药中哪种为结晶体,遇碱毒性会增大
选项 A.乐果 B.对硫磷 C.内吸磷 D.敌百虫 E.马拉硫磷
答案 D
解析 敌百虫为一种有机磷杀虫剂,但遇碱则水解成敌敢畏,急性毒性LD值:大白鼠经口为560~630mg/kg。
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