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Separation and Qualitative Analysis of Anions

Experiment #14B from Advanced Chemistry with Vernier

Education Level
High School


The second part of your qualitative analysis experiment is the testing of anions. The process of analysis will be similar to Experiment 14A. Thus, if you did not complete 14A, it will be helpful to read the introductory comments and review the procedure.

The primary difference between cation analysis and anion analysis is in the separation steps; with cations, separation is common, but with anions, separation is rare.

As with Experiment 14A, you will first prepare a solution containing anions of your choice (the “known” solution), and then you will test an unknown solution to identify the anions it contains.


In this experiment, you will

  • Prepare and analyze a solution that contains six selected anions.
  • Analyze an unknown solution that contains a selection of anions.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.

Option 2

pH Sensor

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This experiment is #14B of Advanced Chemistry with Vernier. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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