Experiences with an Inquiry-Based Ionic Liquid Module in an Undergraduate Physical Chemistry Laboratory

The topic of ionic liquids is typically not taught at the undergraduate level. Many properties, such as conductivity, vapor pressure, and viscosity, of these so-called “green solvents” are unique compared to traditional molecular solvents. Using active learning techniques, we introduced an ionic liq...

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Bibliographic Details
Published inJournal of chemical education Vol. 101; no. 5; pp. 2022 - 2029
Main Authors Riley, Kevin E., Dutta, Samrat
Format Journal Article
LanguageEnglish
Published United States American Chemical Society and Division of Chemical Education, Inc 14.05.2024
American Chemical Society
Subjects
Chemistry
College students
Conductivity
Evaporation
Ionic liquids
Laboratory Experiment
Liquids
Modules
Physical chemistry
Physical properties
Solvents
Vapor pressure
Viscosity
Ionic Liquids
Inquiry-Based/Discovery Learning
Upper Division Undergraduates
Physical Chemistry
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Summary:The topic of ionic liquids is typically not taught at the undergraduate level. Many properties, such as conductivity, vapor pressure, and viscosity, of these so-called “green solvents” are unique compared to traditional molecular solvents. Using active learning techniques, we introduced an ionic liquid module in the physical chemistry laboratory where their structures and physical properties, namely, viscosity, conductivity, and vapor pressure, were explored in relation to molecular solvents. Summative and formative assessments show that a majority of the participants were able to grasp the key concepts of ionic liquids. We envision that our methods and strategies can be one of the building blocks of introducing ionic liquids into the undergraduate chemistry curriculum.
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ISSN:0021-9584
1938-1328
DOI:10.1021/acs.jchemed.3c00871