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题文

膦(PH3)又称为磷化氢,在常温下是一种无色有大蒜臭味的有毒气体,它的分子是三角锥形。以下关于PH3的叙述中,正确的是

A.PH3是非极性分子
B.PH3分子中有未成键的电子对
C.PH3是强氧化剂
D.PH3分子中的P—H键是非极性键
科目 化学   题型 选择题   难度 中等
知识点: 维生素在人体中的作用
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