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Colours of phenolphthalein indicator in acidic and basic medium, respectively are

  • a)
    pink and red

  • b)
    colourless and pink

  • c)
    blue and red

  • d)
    red and blue

Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Colours of phenolphthalein indicator in acidic and basic medium, respe...
Phenolphthalein is a chemical compound used as an indicator in acid-base titrations. In an acidic solution, it remains colourless, and in a basic (alkaline) solution, it turns pink. This property makes it useful for determining when a solution has reached a neutral pH during titration.
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Colours of phenolphthalein indicator in acidic and basic medium, respectively area)pink and redb)colourless and pinkc)blue and redd)red and blueCorrect answer is option 'B'. Can you explain this answer?
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Colours of phenolphthalein indicator in acidic and basic medium, respectively area)pink and redb)colourless and pinkc)blue and redd)red and blueCorrect answer is option 'B'. Can you explain this answer? for Class 7 2025 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Colours of phenolphthalein indicator in acidic and basic medium, respectively area)pink and redb)colourless and pinkc)blue and redd)red and blueCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 7 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Colours of phenolphthalein indicator in acidic and basic medium, respectively area)pink and redb)colourless and pinkc)blue and redd)red and blueCorrect answer is option 'B'. Can you explain this answer?.
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