以下是表示反应2A+B=3C+4D的反应速率数据．按照反应快慢顺序排列应为 ①υ（A）=0.5mol•L﹣1•S﹣1②υ（B）=0.3mol•L﹣1•S﹣1③υ（C）=0.8mol•L﹣1•S﹣1④_刷题宝

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以下是表示反应2A+B=3C+4D的反应速率数据．按照反应快慢顺序排列应为（）

①υ（A）=0.5mol•L^﹣1•S^﹣1②υ（B）=0.3mol•L^﹣1•S^﹣1

③υ（C）=0.8mol•L^﹣1•S^﹣1④υ（D）=1mol•L^﹣1•S^﹣1．

A：④＞③＞①＞②

B：②＞③＞①=④

C：②＞③＞①＞④

D：③＞②＞①=④

上一题下一题 0.0难度选择题更新时间:2010-11-12 03:36:11

答案(点此获取答案解析）

B

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