General Science - Physics (Basics)
Which of the following indicators turns pink in basic solution and is colorless in acidic solution?
Which of the following indicators turns pink in basic solution and is colorless in acidic solution?
medium Q5 of 15
Step-by-Step Solution
Step 1: Recall indicator color changes
Different indicators change color at different pH ranges.Step 2: Analyze phenolphthalein behavior
Phenolphthalein is colorless in acidic medium and turns pink in basic medium, making it useful for titrations.Final Answer:
Phenolphthalein → Option CQuick Check:
Phenolphthalein color = Pink in base, colorless in acid ✅
Quick Trick: Phenolphthalein pink in base, colorless in acid.
Common Mistakes:
- Confusing methyl orange which turns red in acid and yellow in base.
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