GRE Subject Test: Chemistry : IR Spectroscopy

Study concepts, example questions & explanations for GRE Subject Test: Chemistry

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Example Questions

Example Question #11 : Spectroscopy

What is the absorbance of an IR peak with a  transmittance?

Possible Answers:

Correct answer:

Explanation:

Therefore,

Using the equation that relates absorbance to transmittance, we can convert 0.17 transmittance to absorbance:

Therefore the absorbance for this peak is 0.77.

Example Question #72 : Analytical Chemistry

What is the absorbance of an IR peak with a  transmittance?

Possible Answers:

Correct answer:

Explanation:

Therefore,

Using the equation that relates absorbance to transmittance, we can convert 0.36 transmittance to absorbance:

Therefore the absorbance for this peak is 0.44.

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