Practice Quantitative Ir Applications (3.3.3) - Unit 11: Measurement and Data Processing
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Quantitative IR Applications

Practice - Quantitative IR Applications

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the Beer-Lambert law formula?

💡 Hint: Think about what the variables represent.

Question 2 Easy

Define molar absorptivity.

💡 Hint: It is important to know its unit of measurement.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the Beer-Lambert law relate to?

Pressure and temperature
Absorbance and concentration
Volume and density

💡 Hint: Focus on what each term of the law signifies.

Question 2

True or False: Molar absorptivity is higher in IR spectroscopy than UV-Vis.

True
False

💡 Hint: Consider the differences in optical properties of these spectroscopies.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the absorbance of a solution as 0.75, and knowing the molar absorptivity is 500 L mol⁻¹ cm⁻¹, calculate the concentration when the path length is 2 cm.

💡 Hint: Rearranging the Beer-Lambert law will be essential.

Challenge 2 Hard

If two compounds have overlapping IR peaks, how can you identify them separately? What strategies can you suggest?

💡 Hint: Think about mathematical techniques that could aid in separating signals.

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