Question 549 of 869 in Inorganic Chemistry

pH and indicators

1 mark · Easy

State what colour phenolphthalein turns in an acidic solution.

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colourless

Also accept: colorless

Common mistakes: pink; red; stays pink

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Marking points

B1 · 1 mark · colourless stated as the colour of phenolphthalein in acid

Worked solution

Phenolphthalein is colourless in acidic solution.

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