The pink colour of phenolphthalein in an alkaline medium is:

Phenolphthalein is a.......

$A$ compound '$X$' is a weak acid and it exhibits colour change at $pH$ close to the equivalence point during neutralization of $NaOH$ with $CH_3COOH$. Compound '$X$' exists in ionized form in basic medium. The compound '$X$' is.

Phenolphthalein is a suitable indicator for the titration of:

Phenolphthalein is not a good indicator for titrating :-

The different colours of litmus in acidic, neutral and basic solutions are, respectively.