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Why are the saturated solutions of electrolytes for the salt bridge prepared in agar-agar jelly or gelatin?
- a)The jelly acts as an electrolyte
- b)It helps the electrolytes to mix with the contents of the half cells
- c)It helps maintain the electrical polarity between the two half-cell solutions
- d)It keeps the electrolyte in semi-solid phase and prevents it from mixing with the two half-cell solutions
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Why are the saturated solutions of electrolytes for the salt bridge pr...
Explanation:
The saturated solutions of electrolytes for the salt bridge are prepared in agar-agar jelly or gelatin because it helps in keeping the electrolyte in a semi-solid phase and prevents it from mixing with the two half-cell solutions.
Importance of a Salt Bridge:
A salt bridge is an important component in an electrochemical cell. It is used to maintain electrical neutrality in the two half-cells by allowing the flow of ions between them. This flow of ions helps in maintaining the electrical polarity between the two half-cell solutions and allows for the continuous flow of electrons in the external circuit.
Preparation in Agar-Agar Jelly or Gelatin:
1. Semi-Solid Phase: Agar-agar jelly or gelatin is used to prepare the saturated solutions of electrolytes because they provide a semi-solid phase for the electrolyte. This semi-solid phase prevents the electrolyte from freely mixing with the two half-cell solutions. It helps in maintaining the integrity of the salt bridge and ensures that the flow of ions is controlled and regulated.
2. Prevent Mixing: The semi-solid nature of agar-agar jelly or gelatin prevents the electrolyte from diffusing into the two half-cell solutions. This is important because if the electrolyte mixes with the half-cell solutions, it can alter their composition and concentration. This can affect the overall performance and accuracy of the electrochemical cell.
3. Ion Conduction: Agar-agar jelly or gelatin also acts as a medium for ion conduction. It allows the migration of ions between the two half-cells, facilitating the flow of current and maintaining electrical neutrality. The semi-solid nature of the jelly or gelatin restricts the movement of larger molecules, allowing only the movement of ions.
4. Stability and Durability: Agar-agar jelly or gelatin provides stability and durability to the salt bridge. It can hold the electrolyte in place and withstand the physical and chemical stresses of the electrochemical cell. This ensures that the salt bridge remains intact and functional throughout the operation of the cell.
In conclusion, the use of agar-agar jelly or gelatin in preparing the saturated solutions of electrolytes for the salt bridge is essential to keep the electrolyte in a semi-solid phase, prevent its mixing with the two half-cell solutions, and maintain the electrical polarity and ion conduction in the cell.
The saturated solutions of electrolytes for the salt bridge are prepared in agar-agar jelly or gelatin because it helps in keeping the electrolyte in a semi-solid phase and prevents it from mixing with the two half-cell solutions.
Importance of a Salt Bridge:
A salt bridge is an important component in an electrochemical cell. It is used to maintain electrical neutrality in the two half-cells by allowing the flow of ions between them. This flow of ions helps in maintaining the electrical polarity between the two half-cell solutions and allows for the continuous flow of electrons in the external circuit.
Preparation in Agar-Agar Jelly or Gelatin:
1. Semi-Solid Phase: Agar-agar jelly or gelatin is used to prepare the saturated solutions of electrolytes because they provide a semi-solid phase for the electrolyte. This semi-solid phase prevents the electrolyte from freely mixing with the two half-cell solutions. It helps in maintaining the integrity of the salt bridge and ensures that the flow of ions is controlled and regulated.
2. Prevent Mixing: The semi-solid nature of agar-agar jelly or gelatin prevents the electrolyte from diffusing into the two half-cell solutions. This is important because if the electrolyte mixes with the half-cell solutions, it can alter their composition and concentration. This can affect the overall performance and accuracy of the electrochemical cell.
3. Ion Conduction: Agar-agar jelly or gelatin also acts as a medium for ion conduction. It allows the migration of ions between the two half-cells, facilitating the flow of current and maintaining electrical neutrality. The semi-solid nature of the jelly or gelatin restricts the movement of larger molecules, allowing only the movement of ions.
4. Stability and Durability: Agar-agar jelly or gelatin provides stability and durability to the salt bridge. It can hold the electrolyte in place and withstand the physical and chemical stresses of the electrochemical cell. This ensures that the salt bridge remains intact and functional throughout the operation of the cell.
In conclusion, the use of agar-agar jelly or gelatin in preparing the saturated solutions of electrolytes for the salt bridge is essential to keep the electrolyte in a semi-solid phase, prevent its mixing with the two half-cell solutions, and maintain the electrical polarity and ion conduction in the cell.
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Why are the saturated solutions of electrolytes for the salt bridge pr...
The salt bridge connects the two half-cell solutions to complete the circuit of the electrochemical cell. The electrolytes of the salt bridge are generally prepared in agar-agar or gelatin so that the electrolytes are kept in a semi-solid phase and do not mix with the half-cell solutions and interfere with the electrochemical reaction.
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Why are the saturated solutions of electrolytes for the salt bridge prepared in agar-agar jelly or gelatin?a)The jelly acts as an electrolyteb)It helps the electrolytes to mix with the contents of the half cellsc)It helps maintain the electrical polarity between the two half-cell solutionsd)It keeps the electrolyte in semi-solid phase and prevents it from mixing with the two half-cell solutionsCorrect answer is option 'D'. Can you explain this answer?
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Why are the saturated solutions of electrolytes for the salt bridge prepared in agar-agar jelly or gelatin?a)The jelly acts as an electrolyteb)It helps the electrolytes to mix with the contents of the half cellsc)It helps maintain the electrical polarity between the two half-cell solutionsd)It keeps the electrolyte in semi-solid phase and prevents it from mixing with the two half-cell solutionsCorrect answer is option 'D'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Why are the saturated solutions of electrolytes for the salt bridge prepared in agar-agar jelly or gelatin?a)The jelly acts as an electrolyteb)It helps the electrolytes to mix with the contents of the half cellsc)It helps maintain the electrical polarity between the two half-cell solutionsd)It keeps the electrolyte in semi-solid phase and prevents it from mixing with the two half-cell solutionsCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why are the saturated solutions of electrolytes for the salt bridge prepared in agar-agar jelly or gelatin?a)The jelly acts as an electrolyteb)It helps the electrolytes to mix with the contents of the half cellsc)It helps maintain the electrical polarity between the two half-cell solutionsd)It keeps the electrolyte in semi-solid phase and prevents it from mixing with the two half-cell solutionsCorrect answer is option 'D'. Can you explain this answer?.
Why are the saturated solutions of electrolytes for the salt bridge prepared in agar-agar jelly or gelatin?a)The jelly acts as an electrolyteb)It helps the electrolytes to mix with the contents of the half cellsc)It helps maintain the electrical polarity between the two half-cell solutionsd)It keeps the electrolyte in semi-solid phase and prevents it from mixing with the two half-cell solutionsCorrect answer is option 'D'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Why are the saturated solutions of electrolytes for the salt bridge prepared in agar-agar jelly or gelatin?a)The jelly acts as an electrolyteb)It helps the electrolytes to mix with the contents of the half cellsc)It helps maintain the electrical polarity between the two half-cell solutionsd)It keeps the electrolyte in semi-solid phase and prevents it from mixing with the two half-cell solutionsCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why are the saturated solutions of electrolytes for the salt bridge prepared in agar-agar jelly or gelatin?a)The jelly acts as an electrolyteb)It helps the electrolytes to mix with the contents of the half cellsc)It helps maintain the electrical polarity between the two half-cell solutionsd)It keeps the electrolyte in semi-solid phase and prevents it from mixing with the two half-cell solutionsCorrect answer is option 'D'. Can you explain this answer?.
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