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About This Simulation
Perform the litmus test on six organic compounds found in nature. Interpret the results to identify which organic compounds are carboxylic acids.
Learning Objectives
- Identify the chemical reagents and equipment used in the litmus test
- Recall the steps of the litmus test.
- Interpret the results of the litmus test to identify the carboxylic acids.
About This Simulation
Lab Techniques
- Litmus test
Related Standards
- HS-PS2-6
Learn More About This Simulation
Did you know that carboxylic acids are found commonly in nature? In this simulation, you will learn how to perform the litmus test and how to interpret the test's results. To do this, you will test six organic compounds that are from natural sources, and determine which of the natural sources contain carboxylic acids.
Discover pH indicators
To determine which organic compounds are carboxylic acids, you will test each compound's acidity using colourful pH indicators. With the help of a lab poster, you will discover the variety of naturally occurring pH indicators, such as Litmus, and find out how they work. Apply what you discovered, to learn what the results of the litmus test look like when dipping litmus paper in acidic, basic, and neutral solutions.
Perform the litmus test
Now you are ready to perform the litmus test on the organic compounds. Begin by deducing which coloured litmus paper you should use to test for acids: red or blue? Then, learn the steps of the litmus test with helpful guidance from Dr. One. Once you are familiar with the steps, repeat the test for the remaining organic compounds. Do not worry if you make a mistake, as you can always restart the experiment by pressing the reset button.
Identify the carboxylic acids
After testing the compounds, there is one step remaining, and that is to interpret the results! Look at the results in front of you to determine which of the natural sources contains a carboxylic acid. Does spinach really contain carboxylic acids?
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FAQs
Find answers to frequently asked questions.
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