Question

An aqueous solution ‘X’ turns Phenolphthalein Solution pink. On adding the aqueous Solution ‘Y’ to ‘X’ the pink colour disappears. Which of the following statements is true for Solution ‘X’ and ‘Y’?​

Answer 1

Answer:

Phenolphthalein solution turns pink in basic solutions. Hence, solution A lies in the pH range of above 7. On adding solution B the pink colour disappears hence it has a pH less than 7, then the pH of the final solution will decrease. Hence option (c) is correct.

Explanation:

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