Conductivity titrations that doesn't produce a solid precipitate and water?

In summary, the conversation discusses the possibility of conducting a conductivity titration for a reaction that does not produce a solid precipitate or water. The speaker is unsure if this is possible, as they believe the only reaction that would work for conductivity is an acid-base neutralization. However, the other person suggests that conductivity titration could potentially work for redox or complexometric titrations, but may be limited due to changes in conductivity being small compared to the overall conductivity of the solution.
  • #1
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A pretty simple question, but I was just wondering if it was possible to be able to do a conductivity titration for a reaction that does not create a solid precipitate and water?
I was thinking no because the only reaction that i thought would work for conductivity was an acid-base neutralization, which creates h2o and a salt. But I'm not sure about precipitation or redox. All help is appreciated!
 
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  • #2
What do you mean by conductivity titration? Are you using the change in conductivity to detect the endpoint of the titration?
 
  • #3
Technically there is no reason why it shouldn't work for redox titration or complexometric titration - principle (changing conductivity) holds. However, in redox and complexometric titrations we usually add buffers/excess strong acids to keep pH under control; that means changes in conductivity are small compared to overall conductivity of the solution. That in turn means our ability to measure changes (and detect endpoint) is limited (unfavorable signal to noise ratio). But in some specific cases it can be still possible.
 

FAQ: Conductivity titrations that doesn't produce a solid precipitate and water?

1. Can conductivity titrations be used to analyze solutions that do not contain a solid precipitate?

Yes, conductivity titrations can be used to analyze solutions that do not produce a solid precipitate. In these types of titrations, the conductivity of the solution is measured before and after the addition of a titrant. The change in conductivity is used to determine the concentration of the analyte in the solution.

2. How does the presence of water affect conductivity titrations?

The presence of water does not affect conductivity titrations as long as the water is not involved in the chemical reaction. Water is a neutral and non-conductive molecule, so it does not interfere with the conductivity measurements.

3. Can conductivity titrations be used to determine the endpoint of a titration?

Yes, conductivity titrations can be used to determine the endpoint of a titration. The endpoint is identified as the point at which there is a sudden change in the conductivity of the solution, indicating that all of the analyte has been consumed by the titrant.

4. How do you choose the appropriate titrant for a conductivity titration?

The appropriate titrant for a conductivity titration is chosen based on its ability to react with the analyte and produce a measurable change in conductivity. The titrant should also be of a known concentration and produce a reaction that is stoichiometric, meaning that the titrant and analyte react in a specific ratio.

5. What are some advantages of using conductivity titrations over other titration methods?

One advantage of conductivity titrations is that they are relatively simple and quick to perform. They also do not require the use of indicators, which can introduce errors into other titration methods. Additionally, conductivity titrations can be used to analyze a wide range of analytes, including both strong and weak acids and bases, making them a versatile analytical tool.

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