Question

The colour of phenolphthalein indicator in basic solution is
A) yellow
B) green
C) pink D) orange​

Answer 1

${\bigstar}$ANSWER${\bigstar}$

pink

• Phenolphthalein is often used as an indicator in acid–base titrations.

• For this application, it turns colorless in acidic solutions and pink in basic solutions.

Answer 2

Answer:

pink

it's due to ionisation of phebophtaline by basic solution(Oswald's theory)