Question

if we put phenolphthalein in pure water​

Answer 1

Explanation:

Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and red in basic solutions. ... Phenolphthalein is slightly soluble in water and usually is dissolved in alcohols for use in experiments. It is a weak acid, which can lose H+ ions in solution.

Answer 2

Answer:

it shows no change .

Explanation:

as water has ph value 7 it is nuetral so it do not change the colour of indicators.