Question

What happens when a few drops of phenolphthalein are added to a dilute solution of sodium hydroxide a punk color is produced?

Answer 1

this is its property that when base is added to phenolphthalein indicator its colour changes to pink

Answer 2

Answer:

When few drops of phenolphthalein are added to dilute a dilute solution of sodium hydroxide a pink colour. The colour of dilute solution of Sodium hydroxide turns pink or adding Phenolphthalein as  NaOH is a base .When excess of HCl is added the final mixture becomes colourless due to  neutralisation of base with an acid.