Which of the Following Indicators Would Be Most Suitable for the Titration

question 160

Multiple Choice

Which of the following indicators would be most suitable for the titration of 0.10 M (CH₃) ₃N(aq) with 0.10 M HClO₄(aq) ? For trimethyamine,PK_b = 4.19.

• A) Bromothymol blue (pK_In = 7.1)
• B) Alizarin yellow (pK_In = 11.2)
• C) Bromocresol green (pK_In = 4.7)
• D) Tthymol blue (pK_In = 1.7)
• E) Phenolphthalein (pK_In = 9.4)

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Definitions:

Expected Product

In chemistry, the compound or substance anticipated to be the outcome of a chemical reaction under specified conditions.

Reaction

A reaction in chemistry is a process in which substances, known as reactants, undergo chemical changes to form new substances called products.

Major Organic Product

The primary product formed in the highest yield during an organic chemical reaction, often the focus of synthetic strategies.

Reaction

A process leading to the transformation of chemical substances into other substances through the reorganization of atoms or the change in their bonding.