If your client is a gentleman, you don't need to offer to help him with the luggage.
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红外吸收峰的数目一般比理论振动数目少,原因之一是有些振动是非红外活性的
A. 对
B. 错
化学键两端的原子电负性差越大,其伸缩振动引起的红外吸收越强
A. 对
B. 错
线性分子、非线性分子的振动自由度分别为
A. 3N-5 \ 3N-6
B. 3N-6 \ 3N-5
C. 3N-5 \ 3N-5
D. 3N-6 \ 3N-6