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 北京中医药大学 / 分析化学B
正确率:100%

IR中,由于共轭效应,使α、β不饱和酮与饱和酮相比,其νC=O(羰基伸缩振动)频率()

A.吸收峰向高频方向移动

B.吸收峰向低频方向移动

C.吸收峰位置一样

D.吸收峰变化无规律

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