羰基的伸縮振動吸收在紅外光譜中很有特征性，基本在
A.3200-3000cm-1
B.1900-1650cm-1
C.1000-800cm-1
D.600-400cm-1
正確答案：1900-1650cm-1
題目：羰基的伸縮振動吸收在紅外光譜中很有特征性，基本在
關鍵字：智慧樹
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