Ranjana has two unknown solutions: X, and Y. She performed certain tests with indicators and observed the following: (i) SolutionX phenolphthalein remains colourless. (ii) Solution Y + Sugar solution Phenolphthalein turns pink. (iii) Solution X +SolutionY Phenolphthalein remains colourless. Identify the nature of the solutions X and Y. Give one property for each of them.
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Explanation:
(i) Phenolphthalein remains colourless in acidic solution and turns pink in basic solution.
(ii) it's neutral solution
(iii) An acidic solution will remain colorless in phenolphthalein. Indicator is a substance which changes its colour when it comes in contact with an acid or a base. ... When phenolphthalein comes in contact with an acid solution, it turns colourless and in basic or alkaline solution, it turns pink in colour. y is a neutral, x is acidic
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