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Chapter 4: Problem 93

What are the similarities and differences between acid-base titrations and redox titrations?

Short Answer

Expert verified
Both acid-base and redox titrations are techniques used to determine the concentration of an unknown solution and require the determination of an equivalence point. However, they involve different types of reactions; acid-base titrations involve a neutralization reaction (acid/base reaction) and can use a pH meter or visual indicator to determine the equivalence point, whereas redox titrations involve an oxidation-reduction reaction and typically require a potentiometer to identify the equivalence point.

Step by step solution

01

Understanding Acid-Base Titrations

In an acid-base titration, the concentration of an unknown acid or base is determined by neutralizing it with an acid or base of a known concentration. The point where the amount of titrant added is enough to completely neutralize the analyte solution is known as the equivalence point. The process continues until the equivalent point is reached. They typically involve the reaction of an acid and a base, often using an indicator or a pH meter to identify the equivalence point.
02

Understanding Redox Titrations

In a Redox titration, titration's are based on redox reactions (oxidation-reduction). A reducing agent (the analyte) reacts with an oxidizing agent (the titrant). The titration continues until the equivalence point where the moles of oxidizer are stoichiometrically equal to the moles of reducer, typically using a redox indicator or a potentiometer.
03

Comparing and Contrasting the Two Titrations

Similarities: Both types of titrations are used to determine the concentration of an unknown solution, and both types require the determination of the equivalence point, typically through the use of an indicator or meter. \n Differences: The primary difference between these two types of titrations is the type of reaction that occurs. Acid-base titrations involve a neutralization reaction, whereas redox titrations involve an oxidation-reduction reaction. Additionally, redox titrations often require a potentiometer to determine the equivalence point, while acid-base titrations can use a pH meter or a visual indicator.

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Most popular questions from this chapter

A \(15.00-\mathrm{mL}\) solution of potassium nitrate \(\left(\mathrm{KNO}_{3}\right)\) was diluted to \(125.0 \mathrm{~mL}\), and \(25.00 \mathrm{~mL}\) of this solution were then diluted to \(1.000 \times 10^{3} \mathrm{~mL}\). The con- centration of the final solution is \(0.00383 M\). Calculate the concentration of the original solution.

Based on oxidation number consideration, explain why carbon monoxide (CO) is flammable but carbon dioxide \(\left(\mathrm{CO}_{2}\right)\) is not.

A 5.012 -g sample of an iron chloride hydrate was dried in an oven. The mass of the anhydrous compound was \(3.195 \mathrm{~g}\). The compound was then dissolved in water and reacted with an excess of \(\mathrm{AgNO}_{3} .\) The AgCl precipitate formed weighed 7.225 g. What is the formula of the original compound?

Predict the outcome of the reactions represented by the following equations by using the activity series, and balance the equations. (a) \(\mathrm{Cu}(s)+\mathrm{HCl}(a q) \longrightarrow\) (b) \(\mathrm{I}_{2}(s)+\operatorname{NaBr}(a q) \longrightarrow\) (c) \(\mathrm{Mg}(s)+\mathrm{CuSO}_{4}(a q) \longrightarrow\) (d) \(\mathrm{Cl}_{2}(g)+\mathrm{KBr}(a q) \longrightarrow\)

Write the equation for calculating molarity. Why is molarity a convenient concentration unit in chemistry?
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