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42 Which of the following statements is/are true of a good acid-base indicator. 1. it is a weak acid whose conjugate base has a different colour in basic solution. 2. It changes colour over a narrow range of pH 3. It has a different colour at the end point of an acid-base titration.

42 Which of the following statements is/are true of a good acid-base indicator. 1. it is a weak acid whose conjugate base has a different colour in basic solution. 2. It changes colour over a narrow range of pH 3. It has a different colour at the end point of an acid-base titration.

Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter14: Principles Of Neutralization Titrations
Section: Chapter Questions
Problem 14.8QAP
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Directions summarised A В C 1,2,3 All 1,2 Only 2,3 Only 3 Only correct correct correct correct
Transcribed Image Text:Directions summarised A В C 1,2,3 All 1,2 Only 2,3 Only 3 Only correct correct correct correct
42. Which of the following statements is/are true of a good acid-base indicator. 1. it is a weak acid whose conjugate base has a different colour in basic solution. 2. It changes colour over a narrow range of pH 3. It has a different colour at the end point of an acid-base titration.
Transcribed Image Text:42. Which of the following statements is/are true of a good acid-base indicator. 1. it is a weak acid whose conjugate base has a different colour in basic solution. 2. It changes colour over a narrow range of pH 3. It has a different colour at the end point of an acid-base titration.
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