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03-11-2022
Chemistry

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In a solution with a pH of 3 a. Litmus Is blue and phenolphthalein is colorless b. Litmus is blue phenolphthalein is red c. Litmus Is red phenolphthalein is colorless d. Litmus is red phenolphthalein is red.

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03-11-2022

Answer

c. Litmus Is red phenolphthalein is colorless

Explanation

A solution with a pH of 3 is acidic. The main use of litmus is to test whether a solution is acidic or basic, blue litmus turns red under acidic conditions, and red litmus turns blue under basic or alkaline conditions. Phenolphthalein is often used as an indicator in acid–base titrations. phenolphthalein, it turns colorless in acidic solutions and pink in basic solutions.

Therefore, the correct option for a solution with a pH of 3 is:

c. Litmus Is red phenolphthalein is colorless

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