On adding phenolphthalein indicator to colourless solution, no change is observed. What is the nature of this solution?
(a) Basic
(b) Either acidic or basic
(c) Either acidic or neutral
(d) Either basic or neutral

AcademicChemistryNCERTClass 7

Correct Answer: (c) Either acidic or neutral

Explanation: The colour of the phenolphthalein does not change with acidic or neutral solution.

Updated on 10-Oct-2022 13:20:48