Redox Reactions and Electrochemistry: JEE Main 2022 Chemistry question

JEE Main 2022 · 26 Jul, Evening shift · Q1812

JEE Main 202226 Jul, Evening shiftChemistryMediumRedox Reactions and Electrochemistry138× since 2002

Given below are two statements: one is labelled as Assertion

\mathbf{A}

and the other is labelled as Reason

\mathbf{R}

. Assertion A: Phenolphthalein is a

\mathrm{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.

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JEE Main 2022 Redox Reactions and Electrochemistry Question with Solution (26 Jul Evening shift, Q1812) | JEE Arc