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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Calories

Units of energy measure in food and beverages, necessary for human life and health but to be managed for weight control.

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