Which of the following indicators is most suitable for a strong acid-strong base

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Question: Which of the following indicators is most suitable for a strong acid-strong base titration?

Options:

Correct Answer: Bromothymol blue

Solution:

Bromothymol blue is suitable for strong acid-strong base titrations as it changes color around pH 7, which is the equivalence point.

Which of the following indicators is most suitable for a strong acid-strong base titration?

Which of the following indicators is most suitable for a strong acid-strong base titration?

Correct Answer: Bromothymol blue

Step 1: Understand what a titration is. A titration is a method used to determine the concentration of a solution by adding a solution of known concentration until a reaction is complete.
Step 2: Identify what a strong acid and a strong base are. A strong acid completely dissociates in water (like hydrochloric acid), and a strong base also completely dissociates (like sodium hydroxide).
Step 3: Know what the equivalence point is. The equivalence point in a titration is when the amount of acid equals the amount of base, resulting in a neutral solution.
Step 4: Learn about pH and color indicators. pH is a measure of how acidic or basic a solution is, and color indicators change color at certain pH levels.
Step 5: Find out which indicators are suitable for strong acid-strong base titrations. Bromothymol blue is one such indicator that changes color around pH 7, which is where the equivalence point occurs for strong acid-strong base titrations.
Step 6: Conclude that bromothymol blue is the most suitable indicator for strong acid-strong base titrations.

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