Which of the Following Indicators Is Most Suitable for the Titration

question 134

Multiple Choice

Which of the following indicators is most suitable for the titration of a 25.00-mL sample of 0.140 M propionic acid,HC₃H₅O₂,with strong base?

• A)alizarin yellow (transition pH range: 10.0-12.0)
• B)methyl red (transition pH range: 4.2-6.3)
• C)methyl orange (transition pH range: 3.1-4.4)
• D)thymol blue (transition pH range: 8.0-9.6)
• E)bromothymol blue (transition pH range: 6.2-7.6)

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Definitions:

Rate of Return

The upward or downward shift in an investment's value over a designated period, quantified as a percentage of its initial value.

Simple Average

A simple average is a statistical measure that calculates the mean of a set of numbers by adding them together and then dividing by the count of those numbers.

Goals Against Average

A statistical measure used in sports, particularly hockey, to quantify the average number of goals a goalie allows per game.

Goalie

A player in sports, particularly in hockey or soccer, responsible for protecting the goal from being scored by the opposing team.