Which of the Following Indicators Would Be the Best to Use

question 102

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 M NaOH?

• A) bromphenol blue, pH range: 3.0 to 4.5
• B) bromcresol green, pH range: 3.8 to 5.4
• C) alizarin, pH range: 5.7 to 7.2
• D) phenol red, pH range: 6.9 to 8.2
• E) phenolphthalein, pH range: 8.0 to 10.1

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Definitions:

Rescind A Contract

The legal act of revoking, canceling, or annulling a contract, returning the parties to their positions prior to the agreement.

Negligent Acts

Actions or failures to act leading to someone's harm or damage, which occur due to carelessness rather than intentional harm.

Capacity to Contract

The legal capability of an individual or entity to enter into a binding contract.

Mental Impairment

A condition that affects a person's thinking, feeling, mood, or ability to relate to others, significantly impacting daily functioning.