Given below are two statements : one is labelled as Assertion A and the other is labelled…
Chemistry · JEE Main · NTA Exams — Equilibrium
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Phenolphthalein is a pH dependent indicator, remains colourless in acidic solution and gives pink colour in basic medium
Reason R: Phenolphthalein is a weak acid. It doesn’t dissociate in basic medium.
In the light of the above statements, choose the most appropriate answer from the options given below :
(JEE Main 2022)
Assertion A: Phenolphthalein is a pH dependent indicator, remains colourless in acidic solution and gives pink colour in basic medium
Reason R: Phenolphthalein is a weak acid. It doesn’t dissociate in basic medium.
In the light of the above statements, choose the most appropriate answer from the options given below :
(JEE Main 2022)
- Both A and R are true and R is the correct explanation of A
- Both A and R are true but R is NOT the correct explanation of A.
- A is true but R is false
- A is false but R is true
Answer
(C) A is true but R is false
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