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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:

(A) Both A and R are true and R is the correct explanation of A

(B) Both A and R are true but R is NOT the correct explanation of A.

(C) A is true but R is false

(D) A is false but R is true

1 Answer

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Best answer

Correct option is (C) A is true but R is false

Phenolphthalein dissociate in basic medium

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