比水重的有机溶剂是A:苯 B:石油醚 C:氯仿 D:正丁醇 E:乙醚

作者: tihaiku 人气: - 评论: 0
问题 比水重的有机溶剂是
选项 A:苯 B:石油醚 C:氯仿 D:正丁醇 E:乙醚
答案 C
解析 考查溶解提取法的原理。含有氯原子的溶剂比水重,答案只能是C。其他答案A、B、D、E均比水轻。

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