An IR spectrum is unique for every chemical substance.

Name: An IR spectrum is unique for every chemical substance.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Each chemical substance has a unique molecular structure which leads to a unique set of vibrational and rotational frequencies. These frequencies are detected in an IR spectrum, making the IR spectrum unique for every chemical substance, similar to a "fingerprint" for molecules.

An IR Spectrum Is Unique for Every Chemical Substance