The colour of phenolphthalein indicator in alkaline solution at the end-point of an acid-base titration is? by Sunday | May 8 | Chemistry WAEC | 0 comments A. colourless B. orange C. pink D. yellow Correct Answer: Option A A. colourless Users Also Read These:Phenolphthalein in acidic solution is?The colour of the solution formed when ethyne reacts…Student Y carried out the same exercise but used…If the pink colour of a petal is dominant over white…The indicator used in neutralizing CH3COOH and NaOH…