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Types of Acidic Titrants in Titration

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Questions and Answers

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?

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?

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?

It relies on adding an excess of reactant before determining its amount through a reverse reaction. Signup and view all the answers

Why is back titration preferred for insoluble acid organic acid over direct titration with NaOH?

The slow reaction of insoluble acids makes it impractical for direct titration. Signup and view all the answers

What happens after adding NaOH in excess to an insoluble acid organic acid during back titration?

The excess NaOH ensures complete reaction with the acid before titration. Signup and view all the answers

What defines the final stage of a back titration process?

Returning to the equivalence point after surpassing it initially. Signup and view all the answers

In choosing a titrant for back titration, why can strong acids or bases typically be used?

'Quantitative' reactions are usually faster with strong acids or bases. Signup and view all the answers

Which factor contributes to making strong acids or bases suitable as titrants?

Their reactivity ensures complete and rapid neutralization reactions. Signup and view all the answers

Why does back titration simplify the determination of equivalence points?

By ensuring that all reactants are used up before endpoint detection. Signup and view all the answers

Which characteristic makes back titration advantageous when dealing with complex or slow reactions?

The feasibility of overcoming slow reaction rates by allowing full reaction completion. Signup and view all the answers