Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the characteristic absorption range for the O-H bond in alcohols?
💡 Hint: Recall the broader region associated with hydrogen bonding.
Question 2
Easy
What does a peak at 1715 cm⁻¹ suggest in IR spectroscopy?
💡 Hint: Think about compound types that contain a C=O bond.
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 range for broad O−H absorption bands in carboxylic acids?
- 3200-3600 cm⁻¹
- 2500-3300 cm⁻¹
- 1700-1750 cm⁻¹
💡 Hint: Think about how the strength of hydrogen bonding affects absorption.
Question 2
True or False: IR spectroscopy can accurately determine the molecular formula of a compound.
- True
- False
💡 Hint: Consider what data IR specifically reveals.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You analyze a sample showing peaks at 3400 cm⁻¹, 1710 cm⁻¹, and 700 cm⁻¹. What are the likely functional groups present and what does it suggest about the compound?
💡 Hint: Think about how multiple peaks converge to suggest compound identity.
Question 2
Given an IR spectrum with broad peaks indicating hydrogen bonding, determine the structural implications for that compound.
💡 Hint: Consider how intermolecular forces influence physical properties.
Challenge and get performance evaluation