Podcast
Questions and Answers
What is the purpose of using an indicator in a direct titration?
What is the purpose of using an indicator in a direct titration?
- To act as a catalyst for the reaction
- To measure the concentration of the titrant
- To ensure the reaction goes to completion
- To determine the end point of the reaction (correct)
What is the main advantage of using a primary standard in a titration?
What is the main advantage of using a primary standard in a titration?
- It eliminates the need for an indicator
- It allows for a back-titration to be performed
- It makes the titration process faster and more efficient
- It ensures the titrant concentration is known precisely (correct)
In a back-titration, what is the purpose of the initial reaction between the sample and a known excess of reagent?
In a back-titration, what is the purpose of the initial reaction between the sample and a known excess of reagent?
- To generate a product that can be titrated (correct)
- To completely consume the analyte
- To eliminate the need for an indicator
- To produce a coloured complex
Which of the following is a key characteristic of a substitution reaction in a titration?
Which of the following is a key characteristic of a substitution reaction in a titration?
Which of the following is a key advantage of direct titration over back-titration?
Which of the following is a key advantage of direct titration over back-titration?
In a back titration, what is added to the sample?
In a back titration, what is added to the sample?
What is the purpose of adding an excess of the standard solution in a back titration?
What is the purpose of adding an excess of the standard solution in a back titration?
Which of the following is a disadvantage of using a back titration method?
Which of the following is a disadvantage of using a back titration method?
Which of the following is a situation where a back titration might be preferred over a direct titration?
Which of the following is a situation where a back titration might be preferred over a direct titration?
In a back titration, what is typically determined after the excess standard solution is added to the sample?
In a back titration, what is typically determined after the excess standard solution is added to the sample?
What is the purpose of using a primary standard in a titration?
What is the purpose of using a primary standard in a titration?
In a back titration, what is the purpose of titrating the excess unreacted standard?
In a back titration, what is the purpose of titrating the excess unreacted standard?
What is the difference between a direct titration and a back titration?
What is the difference between a direct titration and a back titration?
What is a substitution reaction in the context of titrations?
What is a substitution reaction in the context of titrations?
Why is it important to use a primary standard in a titration?
Why is it important to use a primary standard in a titration?
