单选题下列化合物在IR的3700~2700无吸收的是（）。A乙醚B乙烯C二氯甲烷D四氯化碳
单选题
下列化合物在IR的3700~2700无吸收的是（）。
A
乙醚
B
乙烯
C
二氯甲烷
D
四氯化碳
参考解析
解析：
暂无解析
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问答题未知化合物是否有叁键在IR谱中有何特征吸收带？