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Measurement of Conductivity of Ionic Solutions Video Lecture | Chemistry Class 12 - NEET

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FAQs on Measurement of Conductivity of Ionic Solutions Video Lecture - Chemistry Class 12 - NEET

1. What is the purpose of measuring the conductivity of ionic solutions?
Ans. The purpose of measuring the conductivity of ionic solutions is to determine the ability of the solution to conduct an electric current. This measurement is important in various fields, such as chemistry, environmental science, and material science, as it provides information about the concentration and mobility of ions present in the solution.
2. How is the conductivity of ionic solutions measured?
Ans. The conductivity of ionic solutions is typically measured using a conductivity meter or conductivity probe. These instruments work by applying an electrical potential difference across the solution and measuring the resulting current. The conductivity is then calculated by dividing the current by the applied voltage and the distance between the electrodes.
3. What factors affect the conductivity of ionic solutions?
Ans. Several factors can influence the conductivity of ionic solutions. The concentration of ions in the solution is one of the primary factors, as higher concentrations generally lead to higher conductivity. Additionally, temperature plays a role, as higher temperatures tend to increase ion mobility and conductivity. The presence of impurities, the type of ions present, and the solvent used can also affect the conductivity.
4. How can the conductivity of ionic solutions be used in practical applications?
Ans. The conductivity of ionic solutions has various practical applications. In the field of environmental science, conductivity measurements can be used to assess water quality, as different levels of conductivity may indicate the presence of pollutants or dissolved salts. In chemical analysis, conductivity measurements can help determine the concentration of ions in a solution, which is important for processes such as titrations. Conductivity can also be used to monitor the efficiency of electrolytic cells and to study the behavior of electrolytes in batteries.
5. Can the conductivity of ionic solutions be used to identify unknown substances?
Ans. Yes, the conductivity of ionic solutions can be used as a qualitative tool to identify unknown substances. Each type of ionic compound has a characteristic conductivity value, which is influenced by the nature of the ions and their mobility in the solution. By comparing the measured conductivity of an unknown solution to known conductivity values of different substances, it is possible to make an educated guess about the identity of the unknown substance. However, it is important to note that conductivity alone may not provide definitive identification and should be complemented with other analytical techniques.
150 videos|378 docs|213 tests
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