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Questions and Answers
What is the purpose of back titration in the context of acid-base titration?
What is the purpose of back titration in the context of acid-base titration?
- To reach the endpoint directly without backtracking.
- To titrate excess acid with a standard base solution.
- To avoid slow reactions in titrating insoluble acids.
- To titrate excess base with a standard acid solution. (correct)
Why is back titration considered an alternative technique to direct titration?
Why is back titration considered an alternative technique to direct titration?
- To account for slow reaction rates in certain titrations. (correct)
- To speed up the determination of equivalence points.
- To achieve more accurate results in acid-base reactions.
- To simplify the titration process in complex reactions.
In back titration, why is excess base added before titrating with a standard acid?
In back titration, why is excess base added before titrating with a standard acid?
- To ensure the reaction goes to completion before reaching equivalence point. (correct)
- To neutralize any remaining acid in the solution.
- To eliminate the need for endpoint indicators.
- To speed up the reaction between the analyte and the titrant.
Which statement accurately describes the concept of back titration?
Which statement accurately describes the concept of back titration?
Why is back titration preferred for insoluble acid organic acid over direct titration with NaOH?
Why is back titration preferred for insoluble acid organic acid over direct titration with NaOH?
What happens after adding NaOH in excess to an insoluble acid organic acid during back titration?
What happens after adding NaOH in excess to an insoluble acid organic acid during back titration?
What defines the final stage of a back titration process?
What defines the final stage of a back titration process?
In choosing a titrant for back titration, why can strong acids or bases typically be used?
In choosing a titrant for back titration, why can strong acids or bases typically be used?
Which factor contributes to making strong acids or bases suitable as titrants?
Which factor contributes to making strong acids or bases suitable as titrants?
Why does back titration simplify the determination of equivalence points?
Why does back titration simplify the determination of equivalence points?
Which characteristic makes back titration advantageous when dealing with complex or slow reactions?
Which characteristic makes back titration advantageous when dealing with complex or slow reactions?
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