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

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

Solution: Bromothymol blue changes color at a neutral pH, making it suitable for strong acid-strong base titrations.

Steps: 6

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 in water (like sodium hydroxide).
Step 3: Know that during a strong acid-strong base titration, the pH of the solution changes rapidly around the equivalence point, which is where the acid and base completely neutralize each other.
Step 4: Learn about indicators. Indicators are substances that change color at a certain pH level, helping to show when the reaction is complete.
Step 5: Find out which indicators are suitable for strong acid-strong base titrations. Bromothymol blue is one such indicator because it changes color at a neutral pH (around pH 7).
Step 6: Conclude that bromothymol blue is a good choice for indicating the endpoint of a strong acid-strong base titration.