Which of the Following Indicators Would Be the Best to Use

question 100

Multiple Choice

Which of the following indicators would be the best to use when 0.050 M benzoic acid (K_a = 6.6 × 10⁻⁵) is titrated with 0.05 MNaOH?

• A)Bromphenol blue, pH range: 3.0-4.5
• B)Bromcresol green, pH range: 3.8-5.4
• C)Alizarin, pH range: 5.7-7.2
• D)Phenol red, pH range: 6.9-8.2
• E)Phenolphthalein, pH range: 8.0-10.1

---

Definitions:

Question/Answer Format

A structured format typically used in interviews, exams, or information gathering, consisting of a series of questions followed by answers.

Anticipates Objections

The act of predicting and preparing for potential counterarguments or negative responses in advance of presenting an idea or proposal.

Negative Elements

Components or aspects that contribute to a negative outcome or sentiment.

Immediate Action

A call to prompt or urgent response or decision-making, typically following the provision of information or instructions.