Practice FTIR Instrumentation - 3.3.2 | Unit 11: Measurement and Data Processing | IB Grade 11: Chemistry
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3.3.2 - FTIR Instrumentation

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does FTIR stand for?

💡 Hint: What does the acronym FTIR represent in analytical chemistry?

Question 2

Easy

What is the primary purpose of the interferometer in FTIR?

💡 Hint: Think about what role the interferometer plays in processing IR light.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the primary function of the globar in FTIR instrumentation?

  • To detect IR light
  • To generate IR light
  • To modulate IR light

💡 Hint: Consider what a source does for the spectroscopic technique.

Question 2

Is it true that ATR requires more sample preparation than transmission methods?

  • True
  • False

💡 Hint: Recall the descriptions given for ATR.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

In an FTIR experiment, if a sample shows a peak at 1700 cm-1, identify which functional group is likely present.

💡 Hint: Consider common IR absorption ranges for different functional groups.

Question 2

If the interferogram shows significant noise, what data processing steps can be applied to improve the results?

💡 Hint: What methods can transform rough data into something clearer and more usable?

Challenge and get performance evaluation