Question

Activity 2.6
Take about 2 mL of dilute NaOH solution in a test tube and add
two drops of phenolphthalein solution.
What is the colour of the solution? Pink
Add dilute HCl solution to the above solution drop by drop.Nacht
Is there any colour change for the reaction mixture?
Why did the colour of phenolphthalein change after the addition
of an acid?
. Now add a few drops of NaOH to the above mixture.
Does the pink colour of phenolphthalein reappear?
• Why do you think this has happened?​

Answer 1

Answer:

It's a little late for the game but it is