Chemistry · Acids, Bases and Salts
You have three test tubes X, Y and Z half-filled with different solutions: X contains sodium chloride solution, Y contains sodium hydroxide solution, and Z contains dilute hydrochloric acid. On adding one drop of phenolphthalein indicator to each test tube, what colors will you observe?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1X is pale green; Y is colorless and Z is red
- 2X is pink; Y is pink and Z is colorless
- 3X is colorless; Y is pink and Z is colorless✓
- 4X is colorless; Y is pale green and Z is pink
Correct answer
X is colorless; Y is pink and Z is colorless
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