关于几种分子中的化学键描述不正确的是 A.苯每个碳原子的未参加

关于几种分子中的化学键描述不正确的是

A.苯每个碳原子的未参加杂化的2p轨道形成大π键

BCH4中的4CH键都是H1s轨道与C2p轨道形成的sp σ键。

CC2H4中,每个碳原子的sp2杂化轨道形成σ键、未杂化的2p轨道形成π键

D乙炔分子中,每个碳原子都有两个未杂化的2p轨道形成π键

答案

B

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