Sodium hydroxide turns phenolphthalein solution -Deselect Answer Pink Yellow Colourless Orange

Sodium hydroxide turns phenolphthalein solution -

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

Phenolphthalein turns red in a basic solution.Group startsTrue or False

The colour of phenolphthalein indicator in dilute HNO isA. colourlessB. orangeC. pinkD. purple

A water sample was alkaline to both phenolphthalein and methyl orange. 50 mL of the watersample required 18 mL of 0.02 N H2SO4 for phenolphthalein end point and another 6 mLfor complete neutralisation. Describe the type and amount of alkalinity present.