Questions: Consider the encircled portion of the following IR spectrum. With regard to the sample that produced this IR spectrum, which one of the following is true? weak absorption of IR radiation in this region strong absorption of IR radiation in this region weak reflectance of IR radiation in this region strong reflectance of IR radiation in this region

Consider the encircled portion of the following IR spectrum. With regard to the sample that produced this IR spectrum, which one of the following is true? weak absorption of IR radiation in this region strong absorption of IR radiation in this region weak reflectance of IR radiation in this region strong reflectance of IR radiation in this region
Transcript text: Consider the encircled portion of the following IR spectrum. With regard to the sample that produced this IR spectrum, which one of the following is true? weak absorption of IR radiation in this region strong absorption of IR radiation in this region weak reflectance of IR radiation in this region strong reflectance of IR radiation in this region
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Solution

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Solution Steps

Step 1: Identify the encircled region in the IR spectrum

The encircled region in the IR spectrum is located between approximately 3000 cm⁻¹ and 3500 cm⁻¹.

Step 2: Analyze the transmittance in the encircled region

In the encircled region, the transmittance is high, close to 100%. This indicates that most of the IR radiation is passing through the sample with minimal absorption.

Step 3: Determine the correct statement based on the transmittance

High transmittance in the encircled region means there is weak absorption of IR radiation in this region.

Final Answer

  • weak absorption of IR radiation in this region
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